990288

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:73

約数の個数: 90

約数和(自身を含む): 3120026

約数和(自身を除く): 2129738

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 48, 52, 69, 72, 78, 92, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 299, 312, 368, 414, 468, 529, 552, 598, 624, 828, 897, 936, 1058, 1104, 1196, 1587, 1656, 1794, 1872, 2116, 2392, 2691, 3174, 3312, 3588, 4232, 4761, 4784, 5382, 6348, 6877, 7176, 8464, 9522, 10764, 12696, 13754, 14352, 19044, 20631, 21528, 25392, 27508, 38088, 41262, 43056, 55016, 61893, 76176, 82524, 110032, 123786, 165048, 247572, 330096, 495144, 990288]

約数ペア:

[(1, 990288), (2, 495144), (3, 330096), (4, 247572), (6, 165048), (8, 123786), (9, 110032), (12, 82524), (13, 76176), (16, 61893), (18, 55016), (23, 43056), (24, 41262), (26, 38088), (36, 27508), (39, 25392), (46, 21528), (48, 20631), (52, 19044), (69, 14352), (72, 13754), (78, 12696), (92, 10764), (104, 9522), (117, 8464), (138, 7176), (144, 6877), (156, 6348), (184, 5382), (207, 4784), (208, 4761), (234, 4232), (276, 3588), (299, 3312), (312, 3174), (368, 2691), (414, 2392), (468, 2116), (529, 1872), (552, 1794), (598, 1656), (624, 1587), (828, 1196), (897, 1104), (936, 1058)]