56830020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72859}}^1$

素因数の和:72884

約数の個数: 48

約数和(自身を含む): 171366720

約数和(自身を除く): 114536700

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, 72859, 145718, 218577, 291436, 364295, 437154, 728590, 874308, 947167, 1092885, 1457180, 1894334, 2185770, 2841501, 3788668, 4371540, 4735835, 5683002, 9471670, 11366004, 14207505, 18943340, 28415010, 56830020]

約数ペア:

[(1, 56830020), (2, 28415010), (3, 18943340), (4, 14207505), (5, 11366004), (6, 9471670), (10, 5683002), (12, 4735835), (13, 4371540), (15, 3788668), (20, 2841501), (26, 2185770), (30, 1894334), (39, 1457180), (52, 1092885), (60, 947167), (65, 874308), (78, 728590), (130, 437154), (156, 364295), (195, 291436), (260, 218577), (390, 145718), (780, 72859)]