1280497030

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 2431503360

約数和(自身を除く): 1151006330

約数列:

[1, 2, 5, 10, 29, 58, 103, 145, 163, 206, 263, 290, 326, 515, 526, 815, 1030, 1315, 1630, 2630, 2987, 4727, 5974, 7627, 9454, 14935, 15254, 16789, 23635, 27089, 29870, 33578, 38135, 42869, 47270, 54178, 76270, 83945, 85738, 135445, 167890, 214345, 270890, 428690, 486881, 785581, 973762, 1243201, 1571162, 2434405, 2486402, 3927905, 4415507, 4868810, 6216005, 7855810, 8831014, 12432010, 22077535, 44155070, 128049703, 256099406, 640248515, 1280497030]

約数ペア:

[(1, 1280497030), (2, 640248515), (5, 256099406), (10, 128049703), (29, 44155070), (58, 22077535), (103, 12432010), (145, 8831014), (163, 7855810), (206, 6216005), (263, 4868810), (290, 4415507), (326, 3927905), (515, 2486402), (526, 2434405), (815, 1571162), (1030, 1243201), (1315, 973762), (1630, 785581), (2630, 486881), (2987, 428690), (4727, 270890), (5974, 214345), (7627, 167890), (9454, 135445), (14935, 85738), (15254, 83945), (16789, 76270), (23635, 54178), (27089, 47270), (29870, 42869), (33578, 38135)]