80554040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 214105680

約数和(自身を除く): 133551640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 73, 98, 140, 146, 196, 245, 280, 292, 365, 392, 490, 511, 563, 584, 730, 980, 1022, 1126, 1460, 1960, 2044, 2252, 2555, 2815, 2920, 3577, 3941, 4088, 4504, 5110, 5630, 7154, 7882, 10220, 11260, 14308, 15764, 17885, 19705, 20440, 22520, 27587, 28616, 31528, 35770, 39410, 41099, 55174, 71540, 78820, 82198, 110348, 137935, 143080, 157640, 164396, 205495, 220696, 275870, 287693, 328792, 410990, 551740, 575386, 821980, 1103480, 1150772, 1438465, 1643960, 2013851, 2301544, 2876930, 4027702, 5753860, 8055404, 10069255, 11507720, 16110808, 20138510, 40277020, 80554040]

約数ペア:

[(1, 80554040), (2, 40277020), (4, 20138510), (5, 16110808), (7, 11507720), (8, 10069255), (10, 8055404), (14, 5753860), (20, 4027702), (28, 2876930), (35, 2301544), (40, 2013851), (49, 1643960), (56, 1438465), (70, 1150772), (73, 1103480), (98, 821980), (140, 575386), (146, 551740), (196, 410990), (245, 328792), (280, 287693), (292, 275870), (365, 220696), (392, 205495), (490, 164396), (511, 157640), (563, 143080), (584, 137935), (730, 110348), (980, 82198), (1022, 78820), (1126, 71540), (1460, 55174), (1960, 41099), (2044, 39410), (2252, 35770), (2555, 31528), (2815, 28616), (2920, 27587), (3577, 22520), (3941, 20440), (4088, 19705), (4504, 17885), (5110, 15764), (5630, 14308), (7154, 11260), (7882, 10220)]