90712720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:417

約数の個数: 120

約数和(自身を含む): 249486264

約数和(自身を除く): 158773544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 317, 365, 392, 490, 511, 560, 584, 634, 730, 784, 980, 1022, 1168, 1268, 1460, 1585, 1960, 2044, 2219, 2536, 2555, 2920, 3170, 3577, 3920, 4088, 4438, 5072, 5110, 5840, 6340, 7154, 8176, 8876, 10220, 11095, 12680, 14308, 15533, 17752, 17885, 20440, 22190, 23141, 25360, 28616, 31066, 35504, 35770, 40880, 44380, 46282, 57232, 62132, 71540, 77665, 88760, 92564, 115705, 124264, 143080, 155330, 161987, 177520, 185128, 231410, 248528, 286160, 310660, 323974, 370256, 462820, 621320, 647948, 809935, 925640, 1133909, 1242640, 1295896, 1619870, 1851280, 2267818, 2591792, 3239740, 4535636, 5669545, 6479480, 9071272, 11339090, 12958960, 18142544, 22678180, 45356360, 90712720]

約数ペア:

[(1, 90712720), (2, 45356360), (4, 22678180), (5, 18142544), (7, 12958960), (8, 11339090), (10, 9071272), (14, 6479480), (16, 5669545), (20, 4535636), (28, 3239740), (35, 2591792), (40, 2267818), (49, 1851280), (56, 1619870), (70, 1295896), (73, 1242640), (80, 1133909), (98, 925640), (112, 809935), (140, 647948), (146, 621320), (196, 462820), (245, 370256), (280, 323974), (292, 310660), (317, 286160), (365, 248528), (392, 231410), (490, 185128), (511, 177520), (560, 161987), (584, 155330), (634, 143080), (730, 124264), (784, 115705), (980, 92564), (1022, 88760), (1168, 77665), (1268, 71540), (1460, 62132), (1585, 57232), (1960, 46282), (2044, 44380), (2219, 40880), (2536, 35770), (2555, 35504), (2920, 31066), (3170, 28616), (3577, 25360), (3920, 23141), (4088, 22190), (4438, 20440), (5072, 17885), (5110, 17752), (5840, 15533), (6340, 14308), (7154, 12680), (8176, 11095), (8876, 10220)]