1212315720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131203}}^1$

素因数の和:131235

約数の個数: 128

約数和(自身を含む): 4534410240

約数和(自身を除く): 3322094520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 131203, 262406, 393609, 524812, 656015, 787218, 918421, 1049624, 1312030, 1443233, 1574436, 1836842, 1968045, 2624060, 2755263, 2886466, 3148872, 3673684, 3936090, 4329699, 4592105, 5248120, 5510526, 5772932, 7216165, 7347368, 7872180, 8659398, 9184210, 10102631, 11021052, 11545864, 13776315, 14432330, 15744360, 17318796, 18368420, 20205262, 21648495, 22042104, 27552630, 28864660, 30307893, 34637592, 36736840, 40410524, 43296990, 50513155, 55105260, 57729320, 60615786, 80821048, 86593980, 101026310, 110210520, 121231572, 151539465, 173187960, 202052620, 242463144, 303078930, 404105240, 606157860, 1212315720]

約数ペア:

[(1, 1212315720), (2, 606157860), (3, 404105240), (4, 303078930), (5, 242463144), (6, 202052620), (7, 173187960), (8, 151539465), (10, 121231572), (11, 110210520), (12, 101026310), (14, 86593980), (15, 80821048), (20, 60615786), (21, 57729320), (22, 55105260), (24, 50513155), (28, 43296990), (30, 40410524), (33, 36736840), (35, 34637592), (40, 30307893), (42, 28864660), (44, 27552630), (55, 22042104), (56, 21648495), (60, 20205262), (66, 18368420), (70, 17318796), (77, 15744360), (84, 14432330), (88, 13776315), (105, 11545864), (110, 11021052), (120, 10102631), (132, 9184210), (140, 8659398), (154, 7872180), (165, 7347368), (168, 7216165), (210, 5772932), (220, 5510526), (231, 5248120), (264, 4592105), (280, 4329699), (308, 3936090), (330, 3673684), (385, 3148872), (420, 2886466), (440, 2755263), (462, 2624060), (616, 1968045), (660, 1836842), (770, 1574436), (840, 1443233), (924, 1312030), (1155, 1049624), (1320, 918421), (1540, 787218), (1848, 656015), (2310, 524812), (3080, 393609), (4620, 262406), (9240, 131203)]