72128475

素因数分解:

$3^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 138657792

約数和(自身を除く): 66529317

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 243, 279, 383, 405, 465, 675, 775, 837, 1149, 1215, 1395, 1915, 2025, 2325, 2511, 3447, 4185, 5745, 6075, 6975, 7533, 9575, 10341, 11873, 12555, 17235, 20925, 28725, 31023, 35619, 37665, 51705, 59365, 62775, 86175, 93069, 106857, 155115, 178095, 188325, 258525, 296825, 320571, 465345, 534285, 775575, 890475, 961713, 1602855, 2326725, 2671425, 2885139, 4808565, 8014275, 14425695, 24042825, 72128475]

約数ペア:

[(1, 72128475), (3, 24042825), (5, 14425695), (9, 8014275), (15, 4808565), (25, 2885139), (27, 2671425), (31, 2326725), (45, 1602855), (75, 961713), (81, 890475), (93, 775575), (135, 534285), (155, 465345), (225, 320571), (243, 296825), (279, 258525), (383, 188325), (405, 178095), (465, 155115), (675, 106857), (775, 93069), (837, 86175), (1149, 62775), (1215, 59365), (1395, 51705), (1915, 37665), (2025, 35619), (2325, 31023), (2511, 28725), (3447, 20925), (4185, 17235), (5745, 12555), (6075, 11873), (6975, 10341), (7533, 9575)]