651128360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{4561}}^1$

素因数の和:4698

約数の個数: 64

約数和(自身を含む): 1517503680

約数和(自身を除く): 866375320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 415, 430, 664, 830, 860, 1660, 1720, 3320, 3569, 4561, 7138, 9122, 14276, 17845, 18244, 22805, 28552, 35690, 36488, 45610, 71380, 91220, 142760, 182440, 196123, 378563, 392246, 757126, 784492, 980615, 1514252, 1568984, 1892815, 1961230, 3028504, 3785630, 3922460, 7571260, 7844920, 15142520, 16278209, 32556418, 65112836, 81391045, 130225672, 162782090, 325564180, 651128360]

約数ペア:

[(1, 651128360), (2, 325564180), (4, 162782090), (5, 130225672), (8, 81391045), (10, 65112836), (20, 32556418), (40, 16278209), (43, 15142520), (83, 7844920), (86, 7571260), (166, 3922460), (172, 3785630), (215, 3028504), (332, 1961230), (344, 1892815), (415, 1568984), (430, 1514252), (664, 980615), (830, 784492), (860, 757126), (1660, 392246), (1720, 378563), (3320, 196123), (3569, 182440), (4561, 142760), (7138, 91220), (9122, 71380), (14276, 45610), (17845, 36488), (18244, 35690), (22805, 28552)]