20418921000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:782

約数の個数: 384

約数和(自身を含む): 73480361760

約数和(自身を除く): 53061440760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 50, 51, 60, 68, 72, 75, 85, 90, 100, 102, 120, 125, 136, 150, 153, 170, 180, 200, 204, 225, 250, 255, 300, 306, 317, 340, 360, 375, 408, 421, 425, 450, 500, 510, 600, 612, 634, 680, 750, 765, 842, 850, 900, 951, 1000, 1020, 1125, 1224, 1263, 1268, 1275, 1500, 1530, 1585, 1684, 1700, 1800, 1902, 2040, 2105, 2125, 2250, 2526, 2536, 2550, 2853, 3000, 3060, 3170, 3368, 3400, 3789, 3804, 3825, 4210, 4250, 4500, 4755, 5052, 5100, 5389, 5706, 6120, 6315, 6340, 6375, 7157, 7578, 7608, 7650, 7925, 8420, 8500, 9000, 9510, 10104, 10200, 10525, 10778, 11412, 12630, 12680, 12750, 14265, 14314, 15156, 15300, 15850, 16167, 16840, 17000, 18945, 19020, 19125, 21050, 21471, 21556, 22824, 23775, 25260, 25500, 26945, 28530, 28628, 30312, 30600, 31575, 31700, 32334, 35785, 37890, 38040, 38250, 39625, 42100, 42942, 43112, 47550, 48501, 50520, 51000, 52625, 53890, 57060, 57256, 63150, 63400, 64413, 64668, 71325, 71570, 75780, 76500, 79250, 80835, 84200, 85884, 94725, 95100, 97002, 105250, 107355, 107780, 114120, 118875, 126300, 128826, 129336, 133457, 134725, 142650, 143140, 151560, 153000, 157875, 158500, 161670, 171768, 178925, 189450, 190200, 194004, 210500, 214710, 215560, 237750, 242505, 252600, 257652, 266914, 269450, 285300, 286280, 315750, 317000, 322065, 323340, 356625, 357850, 378900, 388008, 400371, 404175, 421000, 429420, 473625, 475500, 485010, 515304, 533828, 536775, 538900, 570600, 631500, 644130, 646680, 667285, 673625, 713250, 715700, 757800, 800742, 808350, 858840, 894625, 947250, 951000, 970020, 1067656, 1073550, 1077800, 1201113, 1212525, 1263000, 1288260, 1334570, 1347250, 1426500, 1431400, 1601484, 1610325, 1616700, 1789250, 1894500, 1940040, 2001855, 2020875, 2147100, 2268769, 2402226, 2425050, 2576520, 2669140, 2683875, 2694500, 2853000, 3202968, 3220650, 3233400, 3336425, 3578500, 3789000, 4003710, 4041750, 4294200, 4537538, 4804452, 4850100, 5338280, 5367750, 5389000, 6005565, 6062625, 6441300, 6672850, 6806307, 7157000, 8007420, 8051625, 8083500, 9075076, 9608904, 9700200, 10009275, 10735500, 11343845, 12011130, 12125250, 12882600, 13345700, 13612614, 16014840, 16103250, 16167000, 16682125, 18150152, 20018550, 20418921, 21471000, 22687690, 24022260, 24250500, 26691400, 27225228, 30027825, 32206500, 33364250, 34031535, 40037100, 40837842, 45375380, 48044520, 48501000, 50046375, 54450456, 56719225, 60055650, 64413000, 66728500, 68063070, 80074200, 81675684, 90750760, 100092750, 102094605, 113438450, 120111300, 133457000, 136126140, 150139125, 163351368, 170157675, 200185500, 204189210, 226876900, 240222600, 272252280, 283596125, 300278250, 340315350, 400371000, 408378420, 453753800, 510473025, 567192250, 600556500, 680630700, 816756840, 850788375, 1020946050, 1134384500, 1201113000, 1361261400, 1701576750, 2041892100, 2268769000, 2552365125, 3403153500, 4083784200, 5104730250, 6806307000, 10209460500, 20418921000]

約数ペア:

[(1, 20418921000), (2, 10209460500), (3, 6806307000), (4, 5104730250), (5, 4083784200), (6, 3403153500), (8, 2552365125), (9, 2268769000), (10, 2041892100), (12, 1701576750), (15, 1361261400), (17, 1201113000), (18, 1134384500), (20, 1020946050), (24, 850788375), (25, 816756840), (30, 680630700), (34, 600556500), (36, 567192250), (40, 510473025), (45, 453753800), (50, 408378420), (51, 400371000), (60, 340315350), (68, 300278250), (72, 283596125), (75, 272252280), (85, 240222600), (90, 226876900), (100, 204189210), (102, 200185500), (120, 170157675), (125, 163351368), (136, 150139125), (150, 136126140), (153, 133457000), (170, 120111300), (180, 113438450), (200, 102094605), (204, 100092750), (225, 90750760), (250, 81675684), (255, 80074200), (300, 68063070), (306, 66728500), (317, 64413000), (340, 60055650), (360, 56719225), (375, 54450456), (408, 50046375), (421, 48501000), (425, 48044520), (450, 45375380), (500, 40837842), (510, 40037100), (600, 34031535), (612, 33364250), (634, 32206500), (680, 30027825), (750, 27225228), (765, 26691400), (842, 24250500), (850, 24022260), (900, 22687690), (951, 21471000), (1000, 20418921), (1020, 20018550), (1125, 18150152), (1224, 16682125), (1263, 16167000), (1268, 16103250), (1275, 16014840), (1500, 13612614), (1530, 13345700), (1585, 12882600), (1684, 12125250), (1700, 12011130), (1800, 11343845), (1902, 10735500), (2040, 10009275), (2105, 9700200), (2125, 9608904), (2250, 9075076), (2526, 8083500), (2536, 8051625), (2550, 8007420), (2853, 7157000), (3000, 6806307), (3060, 6672850), (3170, 6441300), (3368, 6062625), (3400, 6005565), (3789, 5389000), (3804, 5367750), (3825, 5338280), (4210, 4850100), (4250, 4804452), (4500, 4537538), (4755, 4294200), (5052, 4041750), (5100, 4003710), (5389, 3789000), (5706, 3578500), (6120, 3336425), (6315, 3233400), (6340, 3220650), (6375, 3202968), (7157, 2853000), (7578, 2694500), (7608, 2683875), (7650, 2669140), (7925, 2576520), (8420, 2425050), (8500, 2402226), (9000, 2268769), (9510, 2147100), (10104, 2020875), (10200, 2001855), (10525, 1940040), (10778, 1894500), (11412, 1789250), (12630, 1616700), (12680, 1610325), (12750, 1601484), (14265, 1431400), (14314, 1426500), (15156, 1347250), (15300, 1334570), (15850, 1288260), (16167, 1263000), (16840, 1212525), (17000, 1201113), (18945, 1077800), (19020, 1073550), (19125, 1067656), (21050, 970020), (21471, 951000), (21556, 947250), (22824, 894625), (23775, 858840), (25260, 808350), (25500, 800742), (26945, 757800), (28530, 715700), (28628, 713250), (30312, 673625), (30600, 667285), (31575, 646680), (31700, 644130), (32334, 631500), (35785, 570600), (37890, 538900), (38040, 536775), (38250, 533828), (39625, 515304), (42100, 485010), (42942, 475500), (43112, 473625), (47550, 429420), (48501, 421000), (50520, 404175), (51000, 400371), (52625, 388008), (53890, 378900), (57060, 357850), (57256, 356625), (63150, 323340), (63400, 322065), (64413, 317000), (64668, 315750), (71325, 286280), (71570, 285300), (75780, 269450), (76500, 266914), (79250, 257652), (80835, 252600), (84200, 242505), (85884, 237750), (94725, 215560), (95100, 214710), (97002, 210500), (105250, 194004), (107355, 190200), (107780, 189450), (114120, 178925), (118875, 171768), (126300, 161670), (128826, 158500), (129336, 157875), (133457, 153000), (134725, 151560), (142650, 143140)]