1245660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 3758496

約数和(自身を除く): 2512836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1597, 3194, 4791, 6388, 7985, 9582, 15970, 19164, 20761, 23955, 31940, 41522, 47910, 62283, 83044, 95820, 103805, 124566, 207610, 249132, 311415, 415220, 622830, 1245660]

約数ペア:

[(1, 1245660), (2, 622830), (3, 415220), (4, 311415), (5, 249132), (6, 207610), (10, 124566), (12, 103805), (13, 95820), (15, 83044), (20, 62283), (26, 47910), (30, 41522), (39, 31940), (52, 23955), (60, 20761), (65, 19164), (78, 15970), (130, 9582), (156, 7985), (195, 6388), (260, 4791), (390, 3194), (780, 1597)]