81616480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:692

約数の個数: 96

約数和(自身を含む): 213373440

約数和(自身を除く): 131756960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 79, 80, 88, 110, 158, 160, 176, 220, 316, 352, 395, 440, 587, 632, 790, 869, 880, 1174, 1264, 1580, 1738, 1760, 2348, 2528, 2935, 3160, 3476, 4345, 4696, 5870, 6320, 6457, 6952, 8690, 9392, 11740, 12640, 12914, 13904, 17380, 18784, 23480, 25828, 27808, 32285, 34760, 46373, 46960, 51656, 64570, 69520, 92746, 93920, 103312, 129140, 139040, 185492, 206624, 231865, 258280, 370984, 463730, 510103, 516560, 741968, 927460, 1020206, 1033120, 1483936, 1854920, 2040412, 2550515, 3709840, 4080824, 5101030, 7419680, 8161648, 10202060, 16323296, 20404120, 40808240, 81616480]

約数ペア:

[(1, 81616480), (2, 40808240), (4, 20404120), (5, 16323296), (8, 10202060), (10, 8161648), (11, 7419680), (16, 5101030), (20, 4080824), (22, 3709840), (32, 2550515), (40, 2040412), (44, 1854920), (55, 1483936), (79, 1033120), (80, 1020206), (88, 927460), (110, 741968), (158, 516560), (160, 510103), (176, 463730), (220, 370984), (316, 258280), (352, 231865), (395, 206624), (440, 185492), (587, 139040), (632, 129140), (790, 103312), (869, 93920), (880, 92746), (1174, 69520), (1264, 64570), (1580, 51656), (1738, 46960), (1760, 46373), (2348, 34760), (2528, 32285), (2935, 27808), (3160, 25828), (3476, 23480), (4345, 18784), (4696, 17380), (5870, 13904), (6320, 12914), (6457, 12640), (6952, 11740), (8690, 9392)]