20160315

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 41827968

約数和(自身を除く): 21667653

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 49, 63, 105, 123, 147, 205, 223, 245, 287, 315, 369, 441, 615, 669, 735, 861, 1115, 1435, 1561, 1845, 2007, 2009, 2205, 2583, 3345, 4305, 4683, 6027, 7805, 9143, 10035, 10045, 10927, 12915, 14049, 18081, 23415, 27429, 30135, 32781, 45715, 54635, 64001, 70245, 82287, 90405, 98343, 137145, 163905, 192003, 320005, 411435, 448007, 491715, 576009, 960015, 1344021, 2240035, 2880045, 4032063, 6720105, 20160315]

約数ペア:

[(1, 20160315), (3, 6720105), (5, 4032063), (7, 2880045), (9, 2240035), (15, 1344021), (21, 960015), (35, 576009), (41, 491715), (45, 448007), (49, 411435), (63, 320005), (105, 192003), (123, 163905), (147, 137145), (205, 98343), (223, 90405), (245, 82287), (287, 70245), (315, 64001), (369, 54635), (441, 45715), (615, 32781), (669, 30135), (735, 27429), (861, 23415), (1115, 18081), (1435, 14049), (1561, 12915), (1845, 10927), (2007, 10045), (2009, 10035), (2205, 9143), (2583, 7805), (3345, 6027), (4305, 4683)]