77943640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1381}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 188062560

約数和(自身を除く): 110118920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 664, 680, 830, 1381, 1411, 1660, 2762, 2822, 3320, 5524, 5644, 6905, 7055, 11048, 11288, 13810, 14110, 23477, 27620, 28220, 46954, 55240, 56440, 93908, 114623, 117385, 187816, 229246, 234770, 458492, 469540, 573115, 916984, 939080, 1146230, 1948591, 2292460, 3897182, 4584920, 7794364, 9742955, 15588728, 19485910, 38971820, 77943640]

約数ペア:

[(1, 77943640), (2, 38971820), (4, 19485910), (5, 15588728), (8, 9742955), (10, 7794364), (17, 4584920), (20, 3897182), (34, 2292460), (40, 1948591), (68, 1146230), (83, 939080), (85, 916984), (136, 573115), (166, 469540), (170, 458492), (332, 234770), (340, 229246), (415, 187816), (664, 117385), (680, 114623), (830, 93908), (1381, 56440), (1411, 55240), (1660, 46954), (2762, 28220), (2822, 27620), (3320, 23477), (5524, 14110), (5644, 13810), (6905, 11288), (7055, 11048)]