28678260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36767}}^1$

素因数の和:36792

約数の個数: 48

約数和(自身を含む): 86478336

約数和(自身を除く): 57800076

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, 36767, 73534, 110301, 147068, 183835, 220602, 367670, 441204, 477971, 551505, 735340, 955942, 1103010, 1433913, 1911884, 2206020, 2389855, 2867826, 4779710, 5735652, 7169565, 9559420, 14339130, 28678260]

約数ペア:

[(1, 28678260), (2, 14339130), (3, 9559420), (4, 7169565), (5, 5735652), (6, 4779710), (10, 2867826), (12, 2389855), (13, 2206020), (15, 1911884), (20, 1433913), (26, 1103010), (30, 955942), (39, 735340), (52, 551505), (60, 477971), (65, 441204), (78, 367670), (130, 220602), (156, 183835), (195, 147068), (260, 110301), (390, 73534), (780, 36767)]