7040720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 17998848

約数和(自身を除く): 10958128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 167, 170, 248, 272, 310, 334, 340, 496, 527, 620, 668, 680, 835, 1054, 1240, 1336, 1360, 1670, 2108, 2480, 2635, 2672, 2839, 3340, 4216, 5177, 5270, 5678, 6680, 8432, 10354, 10540, 11356, 13360, 14195, 20708, 21080, 22712, 25885, 28390, 41416, 42160, 45424, 51770, 56780, 82832, 88009, 103540, 113560, 176018, 207080, 227120, 352036, 414160, 440045, 704072, 880090, 1408144, 1760180, 3520360, 7040720]

約数ペア:

[(1, 7040720), (2, 3520360), (4, 1760180), (5, 1408144), (8, 880090), (10, 704072), (16, 440045), (17, 414160), (20, 352036), (31, 227120), (34, 207080), (40, 176018), (62, 113560), (68, 103540), (80, 88009), (85, 82832), (124, 56780), (136, 51770), (155, 45424), (167, 42160), (170, 41416), (248, 28390), (272, 25885), (310, 22712), (334, 21080), (340, 20708), (496, 14195), (527, 13360), (620, 11356), (668, 10540), (680, 10354), (835, 8432), (1054, 6680), (1240, 5678), (1336, 5270), (1360, 5177), (1670, 4216), (2108, 3340), (2480, 2839), (2635, 2672)]