72450855

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 60

約数和(自身を含む): 138186840

約数和(自身を除く): 65735985

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 289, 405, 459, 619, 765, 867, 1377, 1445, 1857, 2295, 2601, 3095, 4335, 5571, 6885, 7803, 9285, 10523, 13005, 16713, 23409, 27855, 31569, 39015, 50139, 52615, 83565, 94707, 117045, 157845, 178891, 250695, 284121, 473535, 536673, 852363, 894455, 1420605, 1610019, 2683365, 4261815, 4830057, 8050095, 14490171, 24150285, 72450855]

約数ペア:

[(1, 72450855), (3, 24150285), (5, 14490171), (9, 8050095), (15, 4830057), (17, 4261815), (27, 2683365), (45, 1610019), (51, 1420605), (81, 894455), (85, 852363), (135, 536673), (153, 473535), (255, 284121), (289, 250695), (405, 178891), (459, 157845), (619, 117045), (765, 94707), (867, 83565), (1377, 52615), (1445, 50139), (1857, 39015), (2295, 31569), (2601, 27855), (3095, 23409), (4335, 16713), (5571, 13005), (6885, 10523), (7803, 9285)]