67145520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21521}}^1$

素因数の和:21550

約数の個数: 80

約数和(自身を含む): 224173152

約数和(自身を除く): 157027632

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, 21521, 43042, 64563, 86084, 107605, 129126, 172168, 215210, 258252, 279773, 322815, 344336, 430420, 516504, 559546, 645630, 839319, 860840, 1033008, 1119092, 1291260, 1398865, 1678638, 1721680, 2238184, 2582520, 2797730, 3357276, 4196595, 4476368, 5165040, 5595460, 6714552, 8393190, 11190920, 13429104, 16786380, 22381840, 33572760, 67145520]

約数ペア:

[(1, 67145520), (2, 33572760), (3, 22381840), (4, 16786380), (5, 13429104), (6, 11190920), (8, 8393190), (10, 6714552), (12, 5595460), (13, 5165040), (15, 4476368), (16, 4196595), (20, 3357276), (24, 2797730), (26, 2582520), (30, 2238184), (39, 1721680), (40, 1678638), (48, 1398865), (52, 1291260), (60, 1119092), (65, 1033008), (78, 860840), (80, 839319), (104, 645630), (120, 559546), (130, 516504), (156, 430420), (195, 344336), (208, 322815), (240, 279773), (260, 258252), (312, 215210), (390, 172168), (520, 129126), (624, 107605), (780, 86084), (1040, 64563), (1560, 43042), (3120, 21521)]