31132920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2851}}^1$

素因数の和:2885

約数の個数: 128

約数和(自身を含む): 114992640

約数和(自身を除く): 83859720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 2851, 3640, 5460, 5702, 8553, 10920, 11404, 14255, 17106, 19957, 22808, 28510, 34212, 37063, 39914, 42765, 57020, 59871, 68424, 74126, 79828, 85530, 99785, 111189, 114040, 119742, 148252, 159656, 171060, 185315, 199570, 222378, 239484, 259441, 296504, 299355, 342120, 370630, 399140, 444756, 478968, 518882, 555945, 598710, 741260, 778323, 798280, 889512, 1037764, 1111890, 1197420, 1297205, 1482520, 1556646, 2075528, 2223780, 2394840, 2594410, 3113292, 3891615, 4447560, 5188820, 6226584, 7783230, 10377640, 15566460, 31132920]

約数ペア:

[(1, 31132920), (2, 15566460), (3, 10377640), (4, 7783230), (5, 6226584), (6, 5188820), (7, 4447560), (8, 3891615), (10, 3113292), (12, 2594410), (13, 2394840), (14, 2223780), (15, 2075528), (20, 1556646), (21, 1482520), (24, 1297205), (26, 1197420), (28, 1111890), (30, 1037764), (35, 889512), (39, 798280), (40, 778323), (42, 741260), (52, 598710), (56, 555945), (60, 518882), (65, 478968), (70, 444756), (78, 399140), (84, 370630), (91, 342120), (104, 299355), (105, 296504), (120, 259441), (130, 239484), (140, 222378), (156, 199570), (168, 185315), (182, 171060), (195, 159656), (210, 148252), (260, 119742), (273, 114040), (280, 111189), (312, 99785), (364, 85530), (390, 79828), (420, 74126), (455, 68424), (520, 59871), (546, 57020), (728, 42765), (780, 39914), (840, 37063), (910, 34212), (1092, 28510), (1365, 22808), (1560, 19957), (1820, 17106), (2184, 14255), (2730, 11404), (2851, 10920), (3640, 8553), (5460, 5702)]