1320221475

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2237}}^1$

素因数の和:2357

約数の個数: 72

約数和(自身を含む): 2460421392

約数和(自身を除く): 1140199917

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 61, 75, 129, 183, 215, 225, 305, 387, 549, 645, 915, 1075, 1525, 1935, 2237, 2623, 2745, 3225, 4575, 6711, 7869, 9675, 11185, 13115, 13725, 20133, 23607, 33555, 39345, 55925, 65575, 96191, 100665, 118035, 136457, 167775, 196725, 288573, 409371, 480955, 503325, 590175, 682285, 865719, 1228113, 1442865, 2046855, 2404775, 3411425, 4328595, 5867651, 6140565, 7214325, 10234275, 17602953, 21642975, 29338255, 30702825, 52808859, 88014765, 146691275, 264044295, 440073825, 1320221475]

約数ペア:

[(1, 1320221475), (3, 440073825), (5, 264044295), (9, 146691275), (15, 88014765), (25, 52808859), (43, 30702825), (45, 29338255), (61, 21642975), (75, 17602953), (129, 10234275), (183, 7214325), (215, 6140565), (225, 5867651), (305, 4328595), (387, 3411425), (549, 2404775), (645, 2046855), (915, 1442865), (1075, 1228113), (1525, 865719), (1935, 682285), (2237, 590175), (2623, 503325), (2745, 480955), (3225, 409371), (4575, 288573), (6711, 196725), (7869, 167775), (9675, 136457), (11185, 118035), (13115, 100665), (13725, 96191), (20133, 65575), (23607, 55925), (33555, 39345)]