81252160

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:632

約数の個数: 112

約数和(自身を含む): 216603072

約数和(自身を除く): 135350912

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, 563, 656, 704, 820, 880, 902, 1126, 1312, 1640, 1760, 1804, 2252, 2255, 2624, 2815, 3280, 3520, 3608, 4504, 4510, 5630, 6193, 6560, 7216, 9008, 9020, 11260, 12386, 13120, 14432, 18016, 18040, 22520, 23083, 24772, 28864, 30965, 36032, 36080, 45040, 46166, 49544, 61930, 72160, 90080, 92332, 99088, 115415, 123860, 144320, 180160, 184664, 198176, 230830, 247720, 253913, 369328, 396352, 461660, 495440, 507826, 738656, 923320, 990880, 1015652, 1269565, 1477312, 1846640, 1981760, 2031304, 2539130, 3693280, 4062608, 5078260, 7386560, 8125216, 10156520, 16250432, 20313040, 40626080, 81252160]

約数ペア:

[(1, 81252160), (2, 40626080), (4, 20313040), (5, 16250432), (8, 10156520), (10, 8125216), (11, 7386560), (16, 5078260), (20, 4062608), (22, 3693280), (32, 2539130), (40, 2031304), (41, 1981760), (44, 1846640), (55, 1477312), (64, 1269565), (80, 1015652), (82, 990880), (88, 923320), (110, 738656), (160, 507826), (164, 495440), (176, 461660), (205, 396352), (220, 369328), (320, 253913), (328, 247720), (352, 230830), (410, 198176), (440, 184664), (451, 180160), (563, 144320), (656, 123860), (704, 115415), (820, 99088), (880, 92332), (902, 90080), (1126, 72160), (1312, 61930), (1640, 49544), (1760, 46166), (1804, 45040), (2252, 36080), (2255, 36032), (2624, 30965), (2815, 28864), (3280, 24772), (3520, 23083), (3608, 22520), (4504, 18040), (4510, 18016), (5630, 14432), (6193, 13120), (6560, 12386), (7216, 11260), (9008, 9020)]