250005780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2467}}^1$

素因数の和:3045

約数の個数: 72

約数和(自身を含む): 760005792

約数和(自身を除く): 510000012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 563, 1126, 1689, 2252, 2467, 2815, 3378, 4934, 5067, 5630, 6756, 7401, 8445, 9868, 10134, 11260, 12335, 14802, 16890, 20268, 22203, 24670, 25335, 29604, 33780, 37005, 44406, 49340, 50670, 74010, 88812, 101340, 111015, 148020, 222030, 444060, 1388921, 2777842, 4166763, 5555684, 6944605, 8333526, 12500289, 13889210, 16667052, 20833815, 25000578, 27778420, 41667630, 50001156, 62501445, 83335260, 125002890, 250005780]

約数ペア:

[(1, 250005780), (2, 125002890), (3, 83335260), (4, 62501445), (5, 50001156), (6, 41667630), (9, 27778420), (10, 25000578), (12, 20833815), (15, 16667052), (18, 13889210), (20, 12500289), (30, 8333526), (36, 6944605), (45, 5555684), (60, 4166763), (90, 2777842), (180, 1388921), (563, 444060), (1126, 222030), (1689, 148020), (2252, 111015), (2467, 101340), (2815, 88812), (3378, 74010), (4934, 50670), (5067, 49340), (5630, 44406), (6756, 37005), (7401, 33780), (8445, 29604), (9868, 25335), (10134, 24670), (11260, 22203), (12335, 20268), (14802, 16890)]