64025520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20521}}^1$

素因数の和:20550

約数の個数: 80

約数和(自身を含む): 213757152

約数和(自身を除く): 149731632

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, 20521, 41042, 61563, 82084, 102605, 123126, 164168, 205210, 246252, 266773, 307815, 328336, 410420, 492504, 533546, 615630, 800319, 820840, 985008, 1067092, 1231260, 1333865, 1600638, 1641680, 2134184, 2462520, 2667730, 3201276, 4001595, 4268368, 4925040, 5335460, 6402552, 8003190, 10670920, 12805104, 16006380, 21341840, 32012760, 64025520]

約数ペア:

[(1, 64025520), (2, 32012760), (3, 21341840), (4, 16006380), (5, 12805104), (6, 10670920), (8, 8003190), (10, 6402552), (12, 5335460), (13, 4925040), (15, 4268368), (16, 4001595), (20, 3201276), (24, 2667730), (26, 2462520), (30, 2134184), (39, 1641680), (40, 1600638), (48, 1333865), (52, 1231260), (60, 1067092), (65, 985008), (78, 820840), (80, 800319), (104, 615630), (120, 533546), (130, 492504), (156, 410420), (195, 328336), (208, 307815), (240, 266773), (260, 246252), (312, 205210), (390, 164168), (520, 123126), (624, 102605), (780, 82084), (1040, 61563), (1560, 41042), (3120, 20521)]