64757940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83023}}^1$

素因数の和:83048

約数の個数: 48

約数和(自身を含む): 195272448

約数和(自身を除く): 130514508

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, 83023, 166046, 249069, 332092, 415115, 498138, 830230, 996276, 1079299, 1245345, 1660460, 2158598, 2490690, 3237897, 4317196, 4981380, 5396495, 6475794, 10792990, 12951588, 16189485, 21585980, 32378970, 64757940]

約数ペア:

[(1, 64757940), (2, 32378970), (3, 21585980), (4, 16189485), (5, 12951588), (6, 10792990), (10, 6475794), (12, 5396495), (13, 4981380), (15, 4317196), (20, 3237897), (26, 2490690), (30, 2158598), (39, 1660460), (52, 1245345), (60, 1079299), (65, 996276), (78, 830230), (130, 498138), (156, 415115), (195, 332092), (260, 249069), (390, 166046), (780, 83023)]