660370750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3331}}^1$

素因数の和:3422

約数の個数: 64

約数和(自身を含む): 1353538368

約数和(自身を除く): 693167618

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 125, 130, 250, 305, 325, 610, 650, 793, 1525, 1586, 1625, 3050, 3250, 3331, 3965, 6662, 7625, 7930, 15250, 16655, 19825, 33310, 39650, 43303, 83275, 86606, 99125, 166550, 198250, 203191, 216515, 406382, 416375, 433030, 832750, 1015955, 1082575, 2031910, 2165150, 2641483, 5079775, 5282966, 5412875, 10159550, 10825750, 13207415, 25398875, 26414830, 50797750, 66037075, 132074150, 330185375, 660370750]

約数ペア:

[(1, 660370750), (2, 330185375), (5, 132074150), (10, 66037075), (13, 50797750), (25, 26414830), (26, 25398875), (50, 13207415), (61, 10825750), (65, 10159550), (122, 5412875), (125, 5282966), (130, 5079775), (250, 2641483), (305, 2165150), (325, 2031910), (610, 1082575), (650, 1015955), (793, 832750), (1525, 433030), (1586, 416375), (1625, 406382), (3050, 216515), (3250, 203191), (3331, 198250), (3965, 166550), (6662, 99125), (7625, 86606), (7930, 83275), (15250, 43303), (16655, 39650), (19825, 33310)]