312891390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{165551}}^1$

素因数の和:165574

約数の個数: 64

約数和(自身を含む): 953579520

約数和(自身を除く): 640688130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 165551, 331102, 496653, 827755, 993306, 1158857, 1489959, 1655510, 2317714, 2483265, 2979918, 3476571, 4469877, 4966530, 5794285, 6953142, 7449795, 8939754, 10429713, 11588570, 14899590, 17382855, 20859426, 22349385, 31289139, 34765710, 44698770, 52148565, 62578278, 104297130, 156445695, 312891390]

約数ペア:

[(1, 312891390), (2, 156445695), (3, 104297130), (5, 62578278), (6, 52148565), (7, 44698770), (9, 34765710), (10, 31289139), (14, 22349385), (15, 20859426), (18, 17382855), (21, 14899590), (27, 11588570), (30, 10429713), (35, 8939754), (42, 7449795), (45, 6953142), (54, 5794285), (63, 4966530), (70, 4469877), (90, 3476571), (105, 2979918), (126, 2483265), (135, 2317714), (189, 1655510), (210, 1489959), (270, 1158857), (315, 993306), (378, 827755), (630, 496653), (945, 331102), (1890, 165551)]