15189680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 39559968

約数和(自身を除く): 24370288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 421, 440, 451, 656, 820, 842, 880, 902, 1640, 1684, 1804, 2105, 2255, 3280, 3368, 3608, 4210, 4510, 4631, 6736, 7216, 8420, 9020, 9262, 16840, 17261, 18040, 18524, 23155, 33680, 34522, 36080, 37048, 46310, 69044, 74096, 86305, 92620, 138088, 172610, 185240, 189871, 276176, 345220, 370480, 379742, 690440, 759484, 949355, 1380880, 1518968, 1898710, 3037936, 3797420, 7594840, 15189680]

約数ペア:

[(1, 15189680), (2, 7594840), (4, 3797420), (5, 3037936), (8, 1898710), (10, 1518968), (11, 1380880), (16, 949355), (20, 759484), (22, 690440), (40, 379742), (41, 370480), (44, 345220), (55, 276176), (80, 189871), (82, 185240), (88, 172610), (110, 138088), (164, 92620), (176, 86305), (205, 74096), (220, 69044), (328, 46310), (410, 37048), (421, 36080), (440, 34522), (451, 33680), (656, 23155), (820, 18524), (842, 18040), (880, 17261), (902, 16840), (1640, 9262), (1684, 9020), (1804, 8420), (2105, 7216), (2255, 6736), (3280, 4631), (3368, 4510), (3608, 4210)]