768807260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{8191}}^1$

素因数の和:8251

約数の個数: 72

約数和(自身を含む): 1835237376

約数和(自身を除く): 1066430116

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 722, 988, 1235, 1444, 1805, 2470, 3610, 4693, 4940, 7220, 8191, 9386, 16382, 18772, 23465, 32764, 40955, 46930, 81910, 93860, 106483, 155629, 163820, 212966, 311258, 425932, 532415, 622516, 778145, 1064830, 1556290, 2023177, 2129660, 2956951, 3112580, 4046354, 5913902, 8092708, 10115885, 11827804, 14784755, 20231770, 29569510, 38440363, 40463540, 59139020, 76880726, 153761452, 192201815, 384403630, 768807260]

約数ペア:

[(1, 768807260), (2, 384403630), (4, 192201815), (5, 153761452), (10, 76880726), (13, 59139020), (19, 40463540), (20, 38440363), (26, 29569510), (38, 20231770), (52, 14784755), (65, 11827804), (76, 10115885), (95, 8092708), (130, 5913902), (190, 4046354), (247, 3112580), (260, 2956951), (361, 2129660), (380, 2023177), (494, 1556290), (722, 1064830), (988, 778145), (1235, 622516), (1444, 532415), (1805, 425932), (2470, 311258), (3610, 212966), (4693, 163820), (4940, 155629), (7220, 106483), (8191, 93860), (9386, 81910), (16382, 46930), (18772, 40955), (23465, 32764)]