1817990520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{78497}}^1$

素因数の和:78704

約数の個数: 64

約数和(自身を含む): 5482300320

約数和(自身を除く): 3664309800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 965, 1158, 1544, 1930, 2316, 2895, 3860, 4632, 5790, 7720, 11580, 23160, 78497, 156994, 235491, 313988, 392485, 470982, 627976, 784970, 941964, 1177455, 1569940, 1883928, 2354910, 3139880, 4709820, 9419640, 15149921, 30299842, 45449763, 60599684, 75749605, 90899526, 121199368, 151499210, 181799052, 227248815, 302998420, 363598104, 454497630, 605996840, 908995260, 1817990520]

約数ペア:

[(1, 1817990520), (2, 908995260), (3, 605996840), (4, 454497630), (5, 363598104), (6, 302998420), (8, 227248815), (10, 181799052), (12, 151499210), (15, 121199368), (20, 90899526), (24, 75749605), (30, 60599684), (40, 45449763), (60, 30299842), (120, 15149921), (193, 9419640), (386, 4709820), (579, 3139880), (772, 2354910), (965, 1883928), (1158, 1569940), (1544, 1177455), (1930, 941964), (2316, 784970), (2895, 627976), (3860, 470982), (4632, 392485), (5790, 313988), (7720, 235491), (11580, 156994), (23160, 78497)]