257158980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109897}}^1$

素因数の和:109925

約数の個数: 72

約数和(自身を含む): 840060312

約数和(自身を除く): 582901332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 109897, 219794, 329691, 439588, 549485, 659382, 989073, 1098970, 1318764, 1428661, 1648455, 1978146, 2197940, 2857322, 3296910, 3956292, 4285983, 4945365, 5714644, 6593820, 7143305, 8571966, 9890730, 12857949, 14286610, 17143932, 19781460, 21429915, 25715898, 28573220, 42859830, 51431796, 64289745, 85719660, 128579490, 257158980]

約数ペア:

[(1, 257158980), (2, 128579490), (3, 85719660), (4, 64289745), (5, 51431796), (6, 42859830), (9, 28573220), (10, 25715898), (12, 21429915), (13, 19781460), (15, 17143932), (18, 14286610), (20, 12857949), (26, 9890730), (30, 8571966), (36, 7143305), (39, 6593820), (45, 5714644), (52, 4945365), (60, 4285983), (65, 3956292), (78, 3296910), (90, 2857322), (117, 2197940), (130, 1978146), (156, 1648455), (180, 1428661), (195, 1318764), (234, 1098970), (260, 989073), (390, 659382), (468, 549485), (585, 439588), (780, 329691), (1170, 219794), (2340, 109897)]