31179540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1297

約数の個数: 96

約数和(自身を含む): 101493504

約数和(自身を除く): 70313964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1217, 1220, 1281, 1708, 1830, 2135, 2434, 2562, 3651, 3660, 4270, 4868, 5124, 6085, 6405, 7302, 8519, 8540, 12170, 12810, 14604, 17038, 18255, 24340, 25557, 25620, 34076, 36510, 42595, 51114, 73020, 74237, 85190, 102228, 127785, 148474, 170380, 222711, 255570, 296948, 371185, 445422, 511140, 519659, 742370, 890844, 1039318, 1113555, 1484740, 1558977, 2078636, 2227110, 2598295, 3117954, 4454220, 5196590, 6235908, 7794885, 10393180, 15589770, 31179540]

約数ペア:

[(1, 31179540), (2, 15589770), (3, 10393180), (4, 7794885), (5, 6235908), (6, 5196590), (7, 4454220), (10, 3117954), (12, 2598295), (14, 2227110), (15, 2078636), (20, 1558977), (21, 1484740), (28, 1113555), (30, 1039318), (35, 890844), (42, 742370), (60, 519659), (61, 511140), (70, 445422), (84, 371185), (105, 296948), (122, 255570), (140, 222711), (183, 170380), (210, 148474), (244, 127785), (305, 102228), (366, 85190), (420, 74237), (427, 73020), (610, 51114), (732, 42595), (854, 36510), (915, 34076), (1217, 25620), (1220, 25557), (1281, 24340), (1708, 18255), (1830, 17038), (2135, 14604), (2434, 12810), (2562, 12170), (3651, 8540), (3660, 8519), (4270, 7302), (4868, 6405), (5124, 6085)]