40438260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7247}}^1$

素因数の和:7293

約数の個数: 72

約数和(自身を含む): 126637056

約数和(自身を除く): 86198796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 7247, 14494, 21741, 28988, 36235, 43482, 65223, 72470, 86964, 108705, 130446, 144940, 217410, 224657, 260892, 326115, 434820, 449314, 652230, 673971, 898628, 1123285, 1304460, 1347942, 2021913, 2246570, 2695884, 3369855, 4043826, 4493140, 6739710, 8087652, 10109565, 13479420, 20219130, 40438260]

約数ペア:

[(1, 40438260), (2, 20219130), (3, 13479420), (4, 10109565), (5, 8087652), (6, 6739710), (9, 4493140), (10, 4043826), (12, 3369855), (15, 2695884), (18, 2246570), (20, 2021913), (30, 1347942), (31, 1304460), (36, 1123285), (45, 898628), (60, 673971), (62, 652230), (90, 449314), (93, 434820), (124, 326115), (155, 260892), (180, 224657), (186, 217410), (279, 144940), (310, 130446), (372, 108705), (465, 86964), (558, 72470), (620, 65223), (930, 43482), (1116, 36235), (1395, 28988), (1860, 21741), (2790, 14494), (5580, 7247)]