64179920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3697}}^1$

素因数の和:3748

約数の個数: 80

約数和(自身を含む): 176083968

約数和(自身を除く): 111904048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 3697, 4340, 7394, 8680, 14788, 17360, 18485, 25879, 29576, 36970, 51758, 59152, 73940, 103516, 114607, 129395, 147880, 207032, 229214, 258790, 295760, 414064, 458428, 517580, 573035, 802249, 916856, 1035160, 1146070, 1604498, 1833712, 2070320, 2292140, 3208996, 4011245, 4584280, 6417992, 8022490, 9168560, 12835984, 16044980, 32089960, 64179920]

約数ペア:

[(1, 64179920), (2, 32089960), (4, 16044980), (5, 12835984), (7, 9168560), (8, 8022490), (10, 6417992), (14, 4584280), (16, 4011245), (20, 3208996), (28, 2292140), (31, 2070320), (35, 1833712), (40, 1604498), (56, 1146070), (62, 1035160), (70, 916856), (80, 802249), (112, 573035), (124, 517580), (140, 458428), (155, 414064), (217, 295760), (248, 258790), (280, 229214), (310, 207032), (434, 147880), (496, 129395), (560, 114607), (620, 103516), (868, 73940), (1085, 59152), (1240, 51758), (1736, 36970), (2170, 29576), (2480, 25879), (3472, 18485), (3697, 17360), (4340, 14788), (7394, 8680)]