90378720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{20921}}^1$

素因数の和:20945

約数の個数: 96

約数和(自身を含む): 316340640

約数和(自身を除く): 225961920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 20921, 41842, 62763, 83684, 104605, 125526, 167368, 188289, 209210, 251052, 313815, 334736, 376578, 418420, 502104, 564867, 627630, 669472, 753156, 836840, 941445, 1004208, 1129734, 1255260, 1506312, 1673680, 1882890, 2008416, 2259468, 2510520, 2824335, 3012624, 3347360, 3765780, 4518936, 5021040, 5648670, 6025248, 7531560, 9037872, 10042080, 11297340, 15063120, 18075744, 22594680, 30126240, 45189360, 90378720]

約数ペア:

[(1, 90378720), (2, 45189360), (3, 30126240), (4, 22594680), (5, 18075744), (6, 15063120), (8, 11297340), (9, 10042080), (10, 9037872), (12, 7531560), (15, 6025248), (16, 5648670), (18, 5021040), (20, 4518936), (24, 3765780), (27, 3347360), (30, 3012624), (32, 2824335), (36, 2510520), (40, 2259468), (45, 2008416), (48, 1882890), (54, 1673680), (60, 1506312), (72, 1255260), (80, 1129734), (90, 1004208), (96, 941445), (108, 836840), (120, 753156), (135, 669472), (144, 627630), (160, 564867), (180, 502104), (216, 418420), (240, 376578), (270, 334736), (288, 313815), (360, 251052), (432, 209210), (480, 188289), (540, 167368), (720, 125526), (864, 104605), (1080, 83684), (1440, 62763), (2160, 41842), (4320, 20921)]