640112910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{7129}}^1$

素因数の和:7253

約数の個数: 64

約数和(自身を含む): 1595522880

約数和(自身を除く): 955409970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 73, 82, 123, 146, 205, 219, 246, 365, 410, 438, 615, 730, 1095, 1230, 2190, 2993, 5986, 7129, 8979, 14258, 14965, 17958, 21387, 29930, 35645, 42774, 44895, 71290, 89790, 106935, 213870, 292289, 520417, 584578, 876867, 1040834, 1461445, 1561251, 1753734, 2602085, 2922890, 3122502, 4384335, 5204170, 7806255, 8768670, 15612510, 21337097, 42674194, 64011291, 106685485, 128022582, 213370970, 320056455, 640112910]

約数ペア:

[(1, 640112910), (2, 320056455), (3, 213370970), (5, 128022582), (6, 106685485), (10, 64011291), (15, 42674194), (30, 21337097), (41, 15612510), (73, 8768670), (82, 7806255), (123, 5204170), (146, 4384335), (205, 3122502), (219, 2922890), (246, 2602085), (365, 1753734), (410, 1561251), (438, 1461445), (615, 1040834), (730, 876867), (1095, 584578), (1230, 520417), (2190, 292289), (2993, 213870), (5986, 106935), (7129, 89790), (8979, 71290), (14258, 44895), (14965, 42774), (17958, 35645), (21387, 29930)]