81520464

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1876

約数の個数: 80

約数和(自身を含む): 225235584

約数和(自身を除く): 143715120

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 41, 46, 48, 69, 82, 92, 123, 138, 164, 184, 246, 276, 328, 368, 492, 552, 656, 943, 984, 1104, 1801, 1886, 1968, 2829, 3602, 3772, 5403, 5658, 7204, 7544, 10806, 11316, 14408, 15088, 21612, 22632, 28816, 41423, 43224, 45264, 73841, 82846, 86448, 124269, 147682, 165692, 221523, 248538, 295364, 331384, 443046, 497076, 590728, 662768, 886092, 994152, 1181456, 1698343, 1772184, 1988304, 3396686, 3544368, 5095029, 6793372, 10190058, 13586744, 20380116, 27173488, 40760232, 81520464]

約数ペア:

[(1, 81520464), (2, 40760232), (3, 27173488), (4, 20380116), (6, 13586744), (8, 10190058), (12, 6793372), (16, 5095029), (23, 3544368), (24, 3396686), (41, 1988304), (46, 1772184), (48, 1698343), (69, 1181456), (82, 994152), (92, 886092), (123, 662768), (138, 590728), (164, 497076), (184, 443046), (246, 331384), (276, 295364), (328, 248538), (368, 221523), (492, 165692), (552, 147682), (656, 124269), (943, 86448), (984, 82846), (1104, 73841), (1801, 45264), (1886, 43224), (1968, 41423), (2829, 28816), (3602, 22632), (3772, 21612), (5403, 15088), (5658, 14408), (7204, 11316), (7544, 10806)]