72888160

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{271}}^1$

素因数の和:368

約数の個数: 72

約数和(自身を含む): 177151968

約数和(自身を除く): 104263808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 271, 328, 410, 542, 656, 820, 1084, 1312, 1355, 1640, 1681, 2168, 2710, 3280, 3362, 4336, 5420, 6560, 6724, 8405, 8672, 10840, 11111, 13448, 16810, 21680, 22222, 26896, 33620, 43360, 44444, 53792, 55555, 67240, 88888, 111110, 134480, 177776, 222220, 268960, 355552, 444440, 455551, 888880, 911102, 1777760, 1822204, 2277755, 3644408, 4555510, 7288816, 9111020, 14577632, 18222040, 36444080, 72888160]

約数ペア:

[(1, 72888160), (2, 36444080), (4, 18222040), (5, 14577632), (8, 9111020), (10, 7288816), (16, 4555510), (20, 3644408), (32, 2277755), (40, 1822204), (41, 1777760), (80, 911102), (82, 888880), (160, 455551), (164, 444440), (205, 355552), (271, 268960), (328, 222220), (410, 177776), (542, 134480), (656, 111110), (820, 88888), (1084, 67240), (1312, 55555), (1355, 53792), (1640, 44444), (1681, 43360), (2168, 33620), (2710, 26896), (3280, 22222), (3362, 21680), (4336, 16810), (5420, 13448), (6560, 11111), (6724, 10840), (8405, 8672)]