66531520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:530

約数の個数: 112

約数和(自身を含む): 177430176

約数和(自身を除く): 110898656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 88, 110, 160, 164, 176, 205, 220, 320, 328, 352, 410, 440, 451, 461, 656, 704, 820, 880, 902, 922, 1312, 1640, 1760, 1804, 1844, 2255, 2305, 2624, 3280, 3520, 3608, 3688, 4510, 4610, 5071, 6560, 7216, 7376, 9020, 9220, 10142, 13120, 14432, 14752, 18040, 18440, 18901, 20284, 25355, 28864, 29504, 36080, 36880, 37802, 40568, 50710, 72160, 73760, 75604, 81136, 94505, 101420, 144320, 147520, 151208, 162272, 189010, 202840, 207911, 302416, 324544, 378020, 405680, 415822, 604832, 756040, 811360, 831644, 1039555, 1209664, 1512080, 1622720, 1663288, 2079110, 3024160, 3326576, 4158220, 6048320, 6653152, 8316440, 13306304, 16632880, 33265760, 66531520]

約数ペア:

[(1, 66531520), (2, 33265760), (4, 16632880), (5, 13306304), (8, 8316440), (10, 6653152), (11, 6048320), (16, 4158220), (20, 3326576), (22, 3024160), (32, 2079110), (40, 1663288), (41, 1622720), (44, 1512080), (55, 1209664), (64, 1039555), (80, 831644), (82, 811360), (88, 756040), (110, 604832), (160, 415822), (164, 405680), (176, 378020), (205, 324544), (220, 302416), (320, 207911), (328, 202840), (352, 189010), (410, 162272), (440, 151208), (451, 147520), (461, 144320), (656, 101420), (704, 94505), (820, 81136), (880, 75604), (902, 73760), (922, 72160), (1312, 50710), (1640, 40568), (1760, 37802), (1804, 36880), (1844, 36080), (2255, 29504), (2305, 28864), (2624, 25355), (3280, 20284), (3520, 18901), (3608, 18440), (3688, 18040), (4510, 14752), (4610, 14432), (5071, 13120), (6560, 10142), (7216, 9220), (7376, 9020)]