66739920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21391}}^1$

素因数の和:21420

約数の個数: 80

約数和(自身を含む): 222819072

約数和(自身を除く): 156079152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21391, 42782, 64173, 85564, 106955, 128346, 171128, 213910, 256692, 278083, 320865, 342256, 427820, 513384, 556166, 641730, 834249, 855640, 1026768, 1112332, 1283460, 1390415, 1668498, 1711280, 2224664, 2566920, 2780830, 3336996, 4171245, 4449328, 5133840, 5561660, 6673992, 8342490, 11123320, 13347984, 16684980, 22246640, 33369960, 66739920]

約数ペア:

[(1, 66739920), (2, 33369960), (3, 22246640), (4, 16684980), (5, 13347984), (6, 11123320), (8, 8342490), (10, 6673992), (12, 5561660), (13, 5133840), (15, 4449328), (16, 4171245), (20, 3336996), (24, 2780830), (26, 2566920), (30, 2224664), (39, 1711280), (40, 1668498), (48, 1390415), (52, 1283460), (60, 1112332), (65, 1026768), (78, 855640), (80, 834249), (104, 641730), (120, 556166), (130, 513384), (156, 427820), (195, 342256), (208, 320865), (240, 278083), (260, 256692), (312, 213910), (390, 171128), (520, 128346), (624, 106955), (780, 85564), (1040, 64173), (1560, 42782), (3120, 21391)]