31907680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:972

約数の個数: 96

約数和(自身を含む): 89026560

約数和(自身を除く): 57118880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 919, 992, 1085, 1120, 1240, 1736, 1838, 2170, 2480, 3472, 3676, 4340, 4595, 4960, 6433, 6944, 7352, 8680, 9190, 12866, 14704, 17360, 18380, 25732, 28489, 29408, 32165, 34720, 36760, 51464, 56978, 64330, 73520, 102928, 113956, 128660, 142445, 147040, 199423, 205856, 227912, 257320, 284890, 398846, 455824, 514640, 569780, 797692, 911648, 997115, 1029280, 1139560, 1595384, 1994230, 2279120, 3190768, 3988460, 4558240, 6381536, 7976920, 15953840, 31907680]

約数ペア:

[(1, 31907680), (2, 15953840), (4, 7976920), (5, 6381536), (7, 4558240), (8, 3988460), (10, 3190768), (14, 2279120), (16, 1994230), (20, 1595384), (28, 1139560), (31, 1029280), (32, 997115), (35, 911648), (40, 797692), (56, 569780), (62, 514640), (70, 455824), (80, 398846), (112, 284890), (124, 257320), (140, 227912), (155, 205856), (160, 199423), (217, 147040), (224, 142445), (248, 128660), (280, 113956), (310, 102928), (434, 73520), (496, 64330), (560, 56978), (620, 51464), (868, 36760), (919, 34720), (992, 32165), (1085, 29408), (1120, 28489), (1240, 25732), (1736, 18380), (1838, 17360), (2170, 14704), (2480, 12866), (3472, 9190), (3676, 8680), (4340, 7352), (4595, 6944), (4960, 6433)]