90405240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1229}}^1$

素因数の和:1856

約数の個数: 64

約数和(自身を含む): 271879200

約数和(自身を除く): 181473960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 613, 1226, 1229, 1839, 2452, 2458, 3065, 3678, 3687, 4904, 4916, 6130, 6145, 7356, 7374, 9195, 9832, 12260, 12290, 14712, 14748, 18390, 18435, 24520, 24580, 29496, 36780, 36870, 49160, 73560, 73740, 147480, 753377, 1506754, 2260131, 3013508, 3766885, 4520262, 6027016, 7533770, 9040524, 11300655, 15067540, 18081048, 22601310, 30135080, 45202620, 90405240]

約数ペア:

[(1, 90405240), (2, 45202620), (3, 30135080), (4, 22601310), (5, 18081048), (6, 15067540), (8, 11300655), (10, 9040524), (12, 7533770), (15, 6027016), (20, 4520262), (24, 3766885), (30, 3013508), (40, 2260131), (60, 1506754), (120, 753377), (613, 147480), (1226, 73740), (1229, 73560), (1839, 49160), (2452, 36870), (2458, 36780), (3065, 29496), (3678, 24580), (3687, 24520), (4904, 18435), (4916, 18390), (6130, 14748), (6145, 14712), (7356, 12290), (7374, 12260), (9195, 9832)]