72009840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42863}}^1$

素因数の和:42886

約数の個数: 80

約数和(自身を含む): 255126528

約数和(自身を除く): 183116688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42863, 85726, 128589, 171452, 214315, 257178, 300041, 342904, 428630, 514356, 600082, 642945, 685808, 857260, 900123, 1028712, 1200164, 1285890, 1500205, 1714520, 1800246, 2057424, 2400328, 2571780, 3000410, 3429040, 3600492, 4500615, 4800656, 5143560, 6000820, 7200984, 9001230, 10287120, 12001640, 14401968, 18002460, 24003280, 36004920, 72009840]

約数ペア:

[(1, 72009840), (2, 36004920), (3, 24003280), (4, 18002460), (5, 14401968), (6, 12001640), (7, 10287120), (8, 9001230), (10, 7200984), (12, 6000820), (14, 5143560), (15, 4800656), (16, 4500615), (20, 3600492), (21, 3429040), (24, 3000410), (28, 2571780), (30, 2400328), (35, 2057424), (40, 1800246), (42, 1714520), (48, 1500205), (56, 1285890), (60, 1200164), (70, 1028712), (80, 900123), (84, 857260), (105, 685808), (112, 642945), (120, 600082), (140, 514356), (168, 428630), (210, 342904), (240, 300041), (280, 257178), (336, 214315), (420, 171452), (560, 128589), (840, 85726), (1680, 42863)]