66884720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1439}}^1$

素因数の和:1542

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 113103760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 664, 830, 1162, 1328, 1439, 1660, 2324, 2878, 2905, 3320, 4648, 5756, 5810, 6640, 7195, 9296, 10073, 11512, 11620, 14390, 20146, 23024, 23240, 28780, 40292, 46480, 50365, 57560, 80584, 100730, 115120, 119437, 161168, 201460, 238874, 402920, 477748, 597185, 805840, 836059, 955496, 1194370, 1672118, 1910992, 2388740, 3344236, 4180295, 4777480, 6688472, 8360590, 9554960, 13376944, 16721180, 33442360, 66884720]

約数ペア:

[(1, 66884720), (2, 33442360), (4, 16721180), (5, 13376944), (7, 9554960), (8, 8360590), (10, 6688472), (14, 4777480), (16, 4180295), (20, 3344236), (28, 2388740), (35, 1910992), (40, 1672118), (56, 1194370), (70, 955496), (80, 836059), (83, 805840), (112, 597185), (140, 477748), (166, 402920), (280, 238874), (332, 201460), (415, 161168), (560, 119437), (581, 115120), (664, 100730), (830, 80584), (1162, 57560), (1328, 50365), (1439, 46480), (1660, 40292), (2324, 28780), (2878, 23240), (2905, 23024), (3320, 20146), (4648, 14390), (5756, 11620), (5810, 11512), (6640, 10073), (7195, 9296)]