2780101800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12979}}^1$

素因数の和:13025

約数の個数: 288

約数和(自身を含む): 11298830400

約数和(自身を除く): 8518728600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 25, 28, 30, 34, 35, 36, 40, 42, 45, 50, 51, 56, 60, 63, 68, 70, 72, 75, 84, 85, 90, 100, 102, 105, 119, 120, 126, 136, 140, 150, 153, 168, 170, 175, 180, 200, 204, 210, 225, 238, 252, 255, 280, 300, 306, 315, 340, 350, 357, 360, 408, 420, 425, 450, 476, 504, 510, 525, 595, 600, 612, 630, 680, 700, 714, 765, 840, 850, 900, 952, 1020, 1050, 1071, 1190, 1224, 1260, 1275, 1400, 1428, 1530, 1575, 1700, 1785, 1800, 2040, 2100, 2142, 2380, 2520, 2550, 2856, 2975, 3060, 3150, 3400, 3570, 3825, 4200, 4284, 4760, 5100, 5355, 5950, 6120, 6300, 7140, 7650, 8568, 8925, 10200, 10710, 11900, 12600, 12979, 14280, 15300, 17850, 21420, 23800, 25958, 26775, 30600, 35700, 38937, 42840, 51916, 53550, 64895, 71400, 77874, 90853, 103832, 107100, 116811, 129790, 155748, 181706, 194685, 214200, 220643, 233622, 259580, 272559, 311496, 324475, 363412, 389370, 441286, 454265, 467244, 519160, 545118, 584055, 648950, 661929, 726824, 778740, 817677, 882572, 908530, 934488, 973425, 1090236, 1103215, 1168110, 1297900, 1323858, 1362795, 1544501, 1557480, 1635354, 1765144, 1817060, 1946850, 1985787, 2180472, 2206430, 2271325, 2336220, 2595800, 2647716, 2725590, 2920275, 3089002, 3270708, 3309645, 3634120, 3893700, 3971574, 4088385, 4412860, 4542650, 4633503, 4672440, 5295432, 5451180, 5516075, 5840550, 6178004, 6541416, 6619290, 6813975, 7722505, 7787400, 7943148, 8176770, 8825720, 9085300, 9267006, 9928935, 10902360, 11032150, 11681100, 12356008, 13238580, 13627950, 13900509, 15445010, 15886296, 16353540, 16548225, 18170600, 18534012, 19857870, 20441925, 22064300, 23167515, 23362200, 26477160, 27255900, 27801018, 30890020, 32707080, 33096450, 37068024, 38612525, 39715740, 40883850, 44128600, 46335030, 49644675, 54511800, 55602036, 61780040, 66192900, 69502545, 77225050, 79431480, 81767700, 92670060, 99289350, 111204072, 115837575, 132385800, 139005090, 154450100, 163535400, 185340120, 198578700, 231675150, 278010180, 308900200, 347512725, 397157400, 463350300, 556020360, 695025450, 926700600, 1390050900, 2780101800]

約数ペア:

[(1, 2780101800), (2, 1390050900), (3, 926700600), (4, 695025450), (5, 556020360), (6, 463350300), (7, 397157400), (8, 347512725), (9, 308900200), (10, 278010180), (12, 231675150), (14, 198578700), (15, 185340120), (17, 163535400), (18, 154450100), (20, 139005090), (21, 132385800), (24, 115837575), (25, 111204072), (28, 99289350), (30, 92670060), (34, 81767700), (35, 79431480), (36, 77225050), (40, 69502545), (42, 66192900), (45, 61780040), (50, 55602036), (51, 54511800), (56, 49644675), (60, 46335030), (63, 44128600), (68, 40883850), (70, 39715740), (72, 38612525), (75, 37068024), (84, 33096450), (85, 32707080), (90, 30890020), (100, 27801018), (102, 27255900), (105, 26477160), (119, 23362200), (120, 23167515), (126, 22064300), (136, 20441925), (140, 19857870), (150, 18534012), (153, 18170600), (168, 16548225), (170, 16353540), (175, 15886296), (180, 15445010), (200, 13900509), (204, 13627950), (210, 13238580), (225, 12356008), (238, 11681100), (252, 11032150), (255, 10902360), (280, 9928935), (300, 9267006), (306, 9085300), (315, 8825720), (340, 8176770), (350, 7943148), (357, 7787400), (360, 7722505), (408, 6813975), (420, 6619290), (425, 6541416), (450, 6178004), (476, 5840550), (504, 5516075), (510, 5451180), (525, 5295432), (595, 4672440), (600, 4633503), (612, 4542650), (630, 4412860), (680, 4088385), (700, 3971574), (714, 3893700), (765, 3634120), (840, 3309645), (850, 3270708), (900, 3089002), (952, 2920275), (1020, 2725590), (1050, 2647716), (1071, 2595800), (1190, 2336220), (1224, 2271325), (1260, 2206430), (1275, 2180472), (1400, 1985787), (1428, 1946850), (1530, 1817060), (1575, 1765144), (1700, 1635354), (1785, 1557480), (1800, 1544501), (2040, 1362795), (2100, 1323858), (2142, 1297900), (2380, 1168110), (2520, 1103215), (2550, 1090236), (2856, 973425), (2975, 934488), (3060, 908530), (3150, 882572), (3400, 817677), (3570, 778740), (3825, 726824), (4200, 661929), (4284, 648950), (4760, 584055), (5100, 545118), (5355, 519160), (5950, 467244), (6120, 454265), (6300, 441286), (7140, 389370), (7650, 363412), (8568, 324475), (8925, 311496), (10200, 272559), (10710, 259580), (11900, 233622), (12600, 220643), (12979, 214200), (14280, 194685), (15300, 181706), (17850, 155748), (21420, 129790), (23800, 116811), (25958, 107100), (26775, 103832), (30600, 90853), (35700, 77874), (38937, 71400), (42840, 64895), (51916, 53550)]