12768280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1520

約数の個数: 64

約数和(自身を含む): 33914880

約数和(自身を除く): 21146600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1471, 1736, 2170, 2942, 4340, 5884, 7355, 8680, 10297, 11768, 14710, 20594, 29420, 41188, 45601, 51485, 58840, 82376, 91202, 102970, 182404, 205940, 228005, 319207, 364808, 411880, 456010, 638414, 912020, 1276828, 1596035, 1824040, 2553656, 3192070, 6384140, 12768280]

約数ペア:

[(1, 12768280), (2, 6384140), (4, 3192070), (5, 2553656), (7, 1824040), (8, 1596035), (10, 1276828), (14, 912020), (20, 638414), (28, 456010), (31, 411880), (35, 364808), (40, 319207), (56, 228005), (62, 205940), (70, 182404), (124, 102970), (140, 91202), (155, 82376), (217, 58840), (248, 51485), (280, 45601), (310, 41188), (434, 29420), (620, 20594), (868, 14710), (1085, 11768), (1240, 10297), (1471, 8680), (1736, 7355), (2170, 5884), (2942, 4340)]