1211218680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38971}}^1$

素因数の和:39029

約数の個数: 128

約数和(自身を含む): 4265095680

約数和(自身を除く): 3053877000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 7770, 10360, 15540, 31080, 38971, 77942, 116913, 155884, 194855, 233826, 272797, 311768, 389710, 467652, 545594, 584565, 779420, 818391, 935304, 1091188, 1169130, 1363985, 1441927, 1558840, 1636782, 2182376, 2338260, 2727970, 2883854, 3273564, 4091955, 4325781, 4676520, 5455940, 5767708, 6547128, 7209635, 8183910, 8651562, 10093489, 10911880, 11535416, 14419270, 16367820, 17303124, 20186978, 21628905, 28838540, 30280467, 32735640, 34606248, 40373956, 43257810, 50467445, 57677080, 60560934, 80747912, 86515620, 100934890, 121121868, 151402335, 173031240, 201869780, 242243736, 302804670, 403739560, 605609340, 1211218680]

約数ペア:

[(1, 1211218680), (2, 605609340), (3, 403739560), (4, 302804670), (5, 242243736), (6, 201869780), (7, 173031240), (8, 151402335), (10, 121121868), (12, 100934890), (14, 86515620), (15, 80747912), (20, 60560934), (21, 57677080), (24, 50467445), (28, 43257810), (30, 40373956), (35, 34606248), (37, 32735640), (40, 30280467), (42, 28838540), (56, 21628905), (60, 20186978), (70, 17303124), (74, 16367820), (84, 14419270), (105, 11535416), (111, 10911880), (120, 10093489), (140, 8651562), (148, 8183910), (168, 7209635), (185, 6547128), (210, 5767708), (222, 5455940), (259, 4676520), (280, 4325781), (296, 4091955), (370, 3273564), (420, 2883854), (444, 2727970), (518, 2338260), (555, 2182376), (740, 1636782), (777, 1558840), (840, 1441927), (888, 1363985), (1036, 1169130), (1110, 1091188), (1295, 935304), (1480, 818391), (1554, 779420), (2072, 584565), (2220, 545594), (2590, 467652), (3108, 389710), (3885, 311768), (4440, 272797), (5180, 233826), (6216, 194855), (7770, 155884), (10360, 116913), (15540, 77942), (31080, 38971)]