204254640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{283687}}^1$

素因数の和:283706

約数の個数: 60

約数和(自身を含む): 685957584

約数和(自身を除く): 481702944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 283687, 567374, 851061, 1134748, 1418435, 1702122, 2269496, 2553183, 2836870, 3404244, 4255305, 4538992, 5106366, 5673740, 6808488, 8510610, 10212732, 11347480, 12765915, 13616976, 17021220, 20425464, 22694960, 25531830, 34042440, 40850928, 51063660, 68084880, 102127320, 204254640]

約数ペア:

[(1, 204254640), (2, 102127320), (3, 68084880), (4, 51063660), (5, 40850928), (6, 34042440), (8, 25531830), (9, 22694960), (10, 20425464), (12, 17021220), (15, 13616976), (16, 12765915), (18, 11347480), (20, 10212732), (24, 8510610), (30, 6808488), (36, 5673740), (40, 5106366), (45, 4538992), (48, 4255305), (60, 3404244), (72, 2836870), (80, 2553183), (90, 2269496), (120, 1702122), (144, 1418435), (180, 1134748), (240, 851061), (360, 567374), (720, 283687)]