17981080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 44049600

約数和(自身を除く): 26068520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 229, 260, 302, 458, 520, 604, 755, 916, 1145, 1208, 1510, 1832, 1963, 2290, 2977, 3020, 3926, 4580, 5954, 6040, 7852, 9160, 9815, 11908, 14885, 15704, 19630, 23816, 29770, 34579, 39260, 59540, 69158, 78520, 119080, 138316, 172895, 276632, 345790, 449527, 691580, 899054, 1383160, 1798108, 2247635, 3596216, 4495270, 8990540, 17981080]

約数ペア:

[(1, 17981080), (2, 8990540), (4, 4495270), (5, 3596216), (8, 2247635), (10, 1798108), (13, 1383160), (20, 899054), (26, 691580), (40, 449527), (52, 345790), (65, 276632), (104, 172895), (130, 138316), (151, 119080), (229, 78520), (260, 69158), (302, 59540), (458, 39260), (520, 34579), (604, 29770), (755, 23816), (916, 19630), (1145, 15704), (1208, 14885), (1510, 11908), (1832, 9815), (1963, 9160), (2290, 7852), (2977, 6040), (3020, 5954), (3926, 4580)]