31555260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15937}}^1$

素因数の和:15963

約数の個数: 72

約数和(自身を含む): 104425776

約数和(自身を除く): 72870516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15937, 31874, 47811, 63748, 79685, 95622, 143433, 159370, 175307, 191244, 239055, 286866, 318740, 350614, 478110, 525921, 573732, 701228, 717165, 876535, 956220, 1051842, 1434330, 1577763, 1753070, 2103684, 2629605, 2868660, 3155526, 3506140, 5259210, 6311052, 7888815, 10518420, 15777630, 31555260]

約数ペア:

[(1, 31555260), (2, 15777630), (3, 10518420), (4, 7888815), (5, 6311052), (6, 5259210), (9, 3506140), (10, 3155526), (11, 2868660), (12, 2629605), (15, 2103684), (18, 1753070), (20, 1577763), (22, 1434330), (30, 1051842), (33, 956220), (36, 876535), (44, 717165), (45, 701228), (55, 573732), (60, 525921), (66, 478110), (90, 350614), (99, 318740), (110, 286866), (132, 239055), (165, 191244), (180, 175307), (198, 159370), (220, 143433), (330, 95622), (396, 79685), (495, 63748), (660, 47811), (990, 31874), (1980, 15937)]