1280747340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173543}}^1$

素因数の和:173599

約数の個数: 72

約数和(自身を含む): 3979711008

約数和(自身を除く): 2698963668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 173543, 347086, 520629, 694172, 867715, 1041258, 1561887, 1735430, 2082516, 2603145, 3123774, 3470860, 5206290, 6247548, 7115263, 7809435, 10412580, 14230526, 15618870, 21345789, 28461052, 31237740, 35576315, 42691578, 64037367, 71152630, 85383156, 106728945, 128074734, 142305260, 213457890, 256149468, 320186835, 426915780, 640373670, 1280747340]

約数ペア:

[(1, 1280747340), (2, 640373670), (3, 426915780), (4, 320186835), (5, 256149468), (6, 213457890), (9, 142305260), (10, 128074734), (12, 106728945), (15, 85383156), (18, 71152630), (20, 64037367), (30, 42691578), (36, 35576315), (41, 31237740), (45, 28461052), (60, 21345789), (82, 15618870), (90, 14230526), (123, 10412580), (164, 7809435), (180, 7115263), (205, 6247548), (246, 5206290), (369, 3470860), (410, 3123774), (492, 2603145), (615, 2082516), (738, 1735430), (820, 1561887), (1230, 1041258), (1476, 867715), (1845, 694172), (2460, 520629), (3690, 347086), (7380, 173543)]