66758640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21397}}^1$

素因数の和:21426

約数の個数: 80

約数和(自身を含む): 222881568

約数和(自身を除く): 156122928

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, 21397, 42794, 64191, 85588, 106985, 128382, 171176, 213970, 256764, 278161, 320955, 342352, 427940, 513528, 556322, 641910, 834483, 855880, 1027056, 1112644, 1283820, 1390805, 1668966, 1711760, 2225288, 2567640, 2781610, 3337932, 4172415, 4450576, 5135280, 5563220, 6675864, 8344830, 11126440, 13351728, 16689660, 22252880, 33379320, 66758640]

約数ペア:

[(1, 66758640), (2, 33379320), (3, 22252880), (4, 16689660), (5, 13351728), (6, 11126440), (8, 8344830), (10, 6675864), (12, 5563220), (13, 5135280), (15, 4450576), (16, 4172415), (20, 3337932), (24, 2781610), (26, 2567640), (30, 2225288), (39, 1711760), (40, 1668966), (48, 1390805), (52, 1283820), (60, 1112644), (65, 1027056), (78, 855880), (80, 834483), (104, 641910), (120, 556322), (130, 513528), (156, 427940), (195, 342352), (208, 320955), (240, 278161), (260, 256764), (312, 213970), (390, 171176), (520, 128382), (624, 106985), (780, 85588), (1040, 64191), (1560, 42794), (3120, 21397)]