12988890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 35164800

約数和(自身を除く): 22175910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 659, 730, 1095, 1314, 1318, 1971, 1977, 2190, 3285, 3295, 3942, 3954, 5931, 6570, 6590, 9855, 9885, 11862, 17793, 19710, 19770, 29655, 35586, 48107, 59310, 88965, 96214, 144321, 177930, 240535, 288642, 432963, 481070, 721605, 865926, 1298889, 1443210, 2164815, 2597778, 4329630, 6494445, 12988890]

約数ペア:

[(1, 12988890), (2, 6494445), (3, 4329630), (5, 2597778), (6, 2164815), (9, 1443210), (10, 1298889), (15, 865926), (18, 721605), (27, 481070), (30, 432963), (45, 288642), (54, 240535), (73, 177930), (90, 144321), (135, 96214), (146, 88965), (219, 59310), (270, 48107), (365, 35586), (438, 29655), (657, 19770), (659, 19710), (730, 17793), (1095, 11862), (1314, 9885), (1318, 9855), (1971, 6590), (1977, 6570), (2190, 5931), (3285, 3954), (3295, 3942)]