20181978180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{3217}}^1$

素因数の和:3635

約数の個数: 288

約数和(自身を含む): 75566260224

約数和(自身を除く): 55384282044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 383, 390, 420, 455, 468, 546, 585, 630, 766, 780, 819, 910, 1092, 1149, 1170, 1260, 1365, 1532, 1638, 1820, 1915, 2298, 2340, 2681, 2730, 3217, 3276, 3447, 3830, 4095, 4596, 4979, 5362, 5460, 5745, 6434, 6894, 7660, 8043, 8190, 9651, 9958, 10724, 11490, 12868, 13405, 13788, 14937, 16085, 16086, 16380, 17235, 19302, 19916, 22519, 22980, 24129, 24895, 26810, 28953, 29874, 32170, 32172, 34470, 34853, 38604, 40215, 41821, 44811, 45038, 48255, 48258, 49790, 53620, 57906, 59748, 64340, 67557, 68940, 69706, 74685, 80430, 83642, 89622, 90076, 96510, 96516, 99580, 104559, 112595, 115812, 120645, 125463, 135114, 139412, 144765, 149370, 160860, 167284, 174265, 179244, 193020, 202671, 209105, 209118, 224055, 225190, 241290, 250926, 270228, 289530, 292747, 298740, 313677, 337785, 348530, 376389, 405342, 418210, 418236, 448110, 450380, 482580, 501852, 522795, 579060, 585494, 627315, 627354, 675570, 697060, 752778, 810684, 836420, 878241, 896220, 1013355, 1045590, 1170988, 1232111, 1254630, 1254708, 1351140, 1463735, 1505556, 1568385, 1756482, 1881945, 2026710, 2091180, 2464222, 2509260, 2634723, 2927470, 3136770, 3512964, 3696333, 3763890, 4053420, 4391205, 4928444, 5269446, 5854940, 6160555, 6273540, 7392666, 7527780, 8624777, 8782410, 10538892, 11088999, 12321110, 13173615, 14785332, 16017443, 17249554, 17564820, 18481665, 22177998, 24642220, 25874331, 26347230, 32034886, 34499108, 36963330, 43123885, 44355996, 48052329, 51748662, 52694460, 55444995, 64069772, 73926660, 77622993, 80087215, 86247770, 96104658, 103497324, 110889990, 112122101, 129371655, 144156987, 155245986, 160174430, 172495540, 192209316, 221779980, 224244202, 240261645, 258743310, 288313974, 310491972, 320348860, 336366303, 388114965, 448488404, 480523290, 517486620, 560610505, 576627948, 672732606, 720784935, 776229930, 961046580, 1009098909, 1121221010, 1345465212, 1441569870, 1552459860, 1681831515, 2018197818, 2242442020, 2883139740, 3363663030, 4036395636, 5045494545, 6727326060, 10090989090, 20181978180]

約数ペア:

[(1, 20181978180), (2, 10090989090), (3, 6727326060), (4, 5045494545), (5, 4036395636), (6, 3363663030), (7, 2883139740), (9, 2242442020), (10, 2018197818), (12, 1681831515), (13, 1552459860), (14, 1441569870), (15, 1345465212), (18, 1121221010), (20, 1009098909), (21, 961046580), (26, 776229930), (28, 720784935), (30, 672732606), (35, 576627948), (36, 560610505), (39, 517486620), (42, 480523290), (45, 448488404), (52, 388114965), (60, 336366303), (63, 320348860), (65, 310491972), (70, 288313974), (78, 258743310), (84, 240261645), (90, 224244202), (91, 221779980), (105, 192209316), (117, 172495540), (126, 160174430), (130, 155245986), (140, 144156987), (156, 129371655), (180, 112122101), (182, 110889990), (195, 103497324), (210, 96104658), (234, 86247770), (252, 80087215), (260, 77622993), (273, 73926660), (315, 64069772), (364, 55444995), (383, 52694460), (390, 51748662), (420, 48052329), (455, 44355996), (468, 43123885), (546, 36963330), (585, 34499108), (630, 32034886), (766, 26347230), (780, 25874331), (819, 24642220), (910, 22177998), (1092, 18481665), (1149, 17564820), (1170, 17249554), (1260, 16017443), (1365, 14785332), (1532, 13173615), (1638, 12321110), (1820, 11088999), (1915, 10538892), (2298, 8782410), (2340, 8624777), (2681, 7527780), (2730, 7392666), (3217, 6273540), (3276, 6160555), (3447, 5854940), (3830, 5269446), (4095, 4928444), (4596, 4391205), (4979, 4053420), (5362, 3763890), (5460, 3696333), (5745, 3512964), (6434, 3136770), (6894, 2927470), (7660, 2634723), (8043, 2509260), (8190, 2464222), (9651, 2091180), (9958, 2026710), (10724, 1881945), (11490, 1756482), (12868, 1568385), (13405, 1505556), (13788, 1463735), (14937, 1351140), (16085, 1254708), (16086, 1254630), (16380, 1232111), (17235, 1170988), (19302, 1045590), (19916, 1013355), (22519, 896220), (22980, 878241), (24129, 836420), (24895, 810684), (26810, 752778), (28953, 697060), (29874, 675570), (32170, 627354), (32172, 627315), (34470, 585494), (34853, 579060), (38604, 522795), (40215, 501852), (41821, 482580), (44811, 450380), (45038, 448110), (48255, 418236), (48258, 418210), (49790, 405342), (53620, 376389), (57906, 348530), (59748, 337785), (64340, 313677), (67557, 298740), (68940, 292747), (69706, 289530), (74685, 270228), (80430, 250926), (83642, 241290), (89622, 225190), (90076, 224055), (96510, 209118), (96516, 209105), (99580, 202671), (104559, 193020), (112595, 179244), (115812, 174265), (120645, 167284), (125463, 160860), (135114, 149370), (139412, 144765)]