31322280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 104457600

約数和(自身を除く): 73135320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 330, 366, 389, 440, 488, 610, 660, 671, 732, 778, 915, 1167, 1220, 1320, 1342, 1464, 1556, 1830, 1945, 2013, 2334, 2440, 2684, 3112, 3355, 3660, 3890, 4026, 4279, 4668, 5368, 5835, 6710, 7320, 7780, 8052, 8558, 9336, 10065, 11670, 12837, 13420, 15560, 16104, 17116, 20130, 21395, 23340, 23729, 25674, 26840, 34232, 40260, 42790, 46680, 47458, 51348, 64185, 71187, 80520, 85580, 94916, 102696, 118645, 128370, 142374, 171160, 189832, 237290, 256740, 261019, 284748, 355935, 474580, 513480, 522038, 569496, 711870, 783057, 949160, 1044076, 1305095, 1423740, 1566114, 2088152, 2610190, 2847480, 3132228, 3915285, 5220380, 6264456, 7830570, 10440760, 15661140, 31322280]

約数ペア:

[(1, 31322280), (2, 15661140), (3, 10440760), (4, 7830570), (5, 6264456), (6, 5220380), (8, 3915285), (10, 3132228), (11, 2847480), (12, 2610190), (15, 2088152), (20, 1566114), (22, 1423740), (24, 1305095), (30, 1044076), (33, 949160), (40, 783057), (44, 711870), (55, 569496), (60, 522038), (61, 513480), (66, 474580), (88, 355935), (110, 284748), (120, 261019), (122, 256740), (132, 237290), (165, 189832), (183, 171160), (220, 142374), (244, 128370), (264, 118645), (305, 102696), (330, 94916), (366, 85580), (389, 80520), (440, 71187), (488, 64185), (610, 51348), (660, 47458), (671, 46680), (732, 42790), (778, 40260), (915, 34232), (1167, 26840), (1220, 25674), (1320, 23729), (1342, 23340), (1464, 21395), (1556, 20130), (1830, 17116), (1945, 16104), (2013, 15560), (2334, 13420), (2440, 12837), (2684, 11670), (3112, 10065), (3355, 9336), (3660, 8558), (3890, 8052), (4026, 7780), (4279, 7320), (4668, 6710), (5368, 5835)]