7807960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 10854440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 127, 145, 212, 232, 254, 265, 290, 424, 508, 530, 580, 635, 1016, 1060, 1160, 1270, 1537, 2120, 2540, 3074, 3683, 5080, 6148, 6731, 7366, 7685, 12296, 13462, 14732, 15370, 18415, 26924, 29464, 30740, 33655, 36830, 53848, 61480, 67310, 73660, 134620, 147320, 195199, 269240, 390398, 780796, 975995, 1561592, 1951990, 3903980, 7807960]

約数ペア:

[(1, 7807960), (2, 3903980), (4, 1951990), (5, 1561592), (8, 975995), (10, 780796), (20, 390398), (29, 269240), (40, 195199), (53, 147320), (58, 134620), (106, 73660), (116, 67310), (127, 61480), (145, 53848), (212, 36830), (232, 33655), (254, 30740), (265, 29464), (290, 26924), (424, 18415), (508, 15370), (530, 14732), (580, 13462), (635, 12296), (1016, 7685), (1060, 7366), (1160, 6731), (1270, 6148), (1537, 5080), (2120, 3683), (2540, 3074)]