90208080

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13921}}^1$

素因数の和:13946

約数の個数: 100

約数和(自身を含む): 313328532

約数和(自身を除く): 223120452

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 13921, 27842, 41763, 55684, 69605, 83526, 111368, 125289, 139210, 167052, 208815, 222736, 250578, 278420, 334104, 375867, 417630, 501156, 556840, 626445, 668208, 751734, 835260, 1002312, 1113680, 1127601, 1252890, 1503468, 1670520, 1879335, 2004624, 2255202, 2505780, 3006936, 3341040, 3758670, 4510404, 5011560, 5638005, 6013872, 7517340, 9020808, 10023120, 11276010, 15034680, 18041616, 22552020, 30069360, 45104040, 90208080]

約数ペア:

[(1, 90208080), (2, 45104040), (3, 30069360), (4, 22552020), (5, 18041616), (6, 15034680), (8, 11276010), (9, 10023120), (10, 9020808), (12, 7517340), (15, 6013872), (16, 5638005), (18, 5011560), (20, 4510404), (24, 3758670), (27, 3341040), (30, 3006936), (36, 2505780), (40, 2255202), (45, 2004624), (48, 1879335), (54, 1670520), (60, 1503468), (72, 1252890), (80, 1127601), (81, 1113680), (90, 1002312), (108, 835260), (120, 751734), (135, 668208), (144, 626445), (162, 556840), (180, 501156), (216, 417630), (240, 375867), (270, 334104), (324, 278420), (360, 250578), (405, 222736), (432, 208815), (540, 167052), (648, 139210), (720, 125289), (810, 111368), (1080, 83526), (1296, 69605), (1620, 55684), (2160, 41763), (3240, 27842), (6480, 13921)]