68691080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 167883840

約数和(自身を除く): 99192760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 71, 76, 95, 134, 142, 152, 190, 268, 284, 335, 355, 361, 380, 536, 568, 670, 710, 722, 760, 1273, 1340, 1349, 1420, 1444, 1805, 2546, 2680, 2698, 2840, 2888, 3610, 4757, 5092, 5396, 6365, 6745, 7220, 9514, 10184, 10792, 12730, 13490, 14440, 19028, 23785, 24187, 25460, 25631, 26980, 38056, 47570, 48374, 50920, 51262, 53960, 90383, 95140, 96748, 102524, 120935, 128155, 180766, 190280, 193496, 205048, 241870, 256310, 361532, 451915, 483740, 512620, 723064, 903830, 967480, 1025240, 1717277, 1807660, 3434554, 3615320, 6869108, 8586385, 13738216, 17172770, 34345540, 68691080]

約数ペア:

[(1, 68691080), (2, 34345540), (4, 17172770), (5, 13738216), (8, 8586385), (10, 6869108), (19, 3615320), (20, 3434554), (38, 1807660), (40, 1717277), (67, 1025240), (71, 967480), (76, 903830), (95, 723064), (134, 512620), (142, 483740), (152, 451915), (190, 361532), (268, 256310), (284, 241870), (335, 205048), (355, 193496), (361, 190280), (380, 180766), (536, 128155), (568, 120935), (670, 102524), (710, 96748), (722, 95140), (760, 90383), (1273, 53960), (1340, 51262), (1349, 50920), (1420, 48374), (1444, 47570), (1805, 38056), (2546, 26980), (2680, 25631), (2698, 25460), (2840, 24187), (2888, 23785), (3610, 19028), (4757, 14440), (5092, 13490), (5396, 12730), (6365, 10792), (6745, 10184), (7220, 9514)]