311793840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{144349}}^1$

素因数の和:144371

約数の個数: 80

約数和(自身を含む): 1073964000

約数和(自身を除く): 762170160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 144349, 288698, 433047, 577396, 721745, 866094, 1154792, 1299141, 1443490, 1732188, 2165235, 2309584, 2598282, 2886980, 3464376, 3897423, 4330470, 5196564, 5773960, 6495705, 6928752, 7794846, 8660940, 10393128, 11547920, 12991410, 15589692, 17321880, 19487115, 20786256, 25982820, 31179384, 34643760, 38974230, 51965640, 62358768, 77948460, 103931280, 155896920, 311793840]

約数ペア:

[(1, 311793840), (2, 155896920), (3, 103931280), (4, 77948460), (5, 62358768), (6, 51965640), (8, 38974230), (9, 34643760), (10, 31179384), (12, 25982820), (15, 20786256), (16, 19487115), (18, 17321880), (20, 15589692), (24, 12991410), (27, 11547920), (30, 10393128), (36, 8660940), (40, 7794846), (45, 6928752), (48, 6495705), (54, 5773960), (60, 5196564), (72, 4330470), (80, 3897423), (90, 3464376), (108, 2886980), (120, 2598282), (135, 2309584), (144, 2165235), (180, 1732188), (216, 1443490), (240, 1299141), (270, 1154792), (360, 866094), (432, 721745), (540, 577396), (720, 433047), (1080, 288698), (2160, 144349)]