181022480

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 431639040

約数和(自身を除く): 250616560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 139, 146, 223, 278, 292, 365, 446, 556, 584, 695, 730, 892, 1112, 1115, 1168, 1390, 1460, 1784, 2224, 2230, 2780, 2920, 3568, 4460, 5560, 5840, 8920, 10147, 11120, 16279, 17840, 20294, 30997, 32558, 40588, 50735, 61994, 65116, 81176, 81395, 101470, 123988, 130232, 154985, 162352, 162790, 202940, 247976, 260464, 309970, 325580, 405880, 495952, 619940, 651160, 811760, 1239880, 1302320, 2262781, 2479760, 4525562, 9051124, 11313905, 18102248, 22627810, 36204496, 45255620, 90511240, 181022480]

約数ペア:

[(1, 181022480), (2, 90511240), (4, 45255620), (5, 36204496), (8, 22627810), (10, 18102248), (16, 11313905), (20, 9051124), (40, 4525562), (73, 2479760), (80, 2262781), (139, 1302320), (146, 1239880), (223, 811760), (278, 651160), (292, 619940), (365, 495952), (446, 405880), (556, 325580), (584, 309970), (695, 260464), (730, 247976), (892, 202940), (1112, 162790), (1115, 162352), (1168, 154985), (1390, 130232), (1460, 123988), (1784, 101470), (2224, 81395), (2230, 81176), (2780, 65116), (2920, 61994), (3568, 50735), (4460, 40588), (5560, 32558), (5840, 30997), (8920, 20294), (10147, 17840), (11120, 16279)]