321325240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1471}}^1$

素因数の和:1652

約数の個数: 64

約数和(自身を含む): 746127360

約数和(自身を除く): 424802120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 508, 635, 860, 1016, 1270, 1471, 1720, 2540, 2942, 5080, 5461, 5884, 7355, 10922, 11768, 14710, 21844, 27305, 29420, 43688, 54610, 58840, 63253, 109220, 126506, 186817, 218440, 253012, 316265, 373634, 506024, 632530, 747268, 934085, 1265060, 1494536, 1868170, 2530120, 3736340, 7472680, 8033131, 16066262, 32132524, 40165655, 64265048, 80331310, 160662620, 321325240]

約数ペア:

[(1, 321325240), (2, 160662620), (4, 80331310), (5, 64265048), (8, 40165655), (10, 32132524), (20, 16066262), (40, 8033131), (43, 7472680), (86, 3736340), (127, 2530120), (172, 1868170), (215, 1494536), (254, 1265060), (344, 934085), (430, 747268), (508, 632530), (635, 506024), (860, 373634), (1016, 316265), (1270, 253012), (1471, 218440), (1720, 186817), (2540, 126506), (2942, 109220), (5080, 63253), (5461, 58840), (5884, 54610), (7355, 43688), (10922, 29420), (11768, 27305), (14710, 21844)]