15488620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{349}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 37396800

約数和(自身を除く): 21908180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 349, 634, 698, 1268, 1396, 1585, 1745, 2219, 2443, 3170, 3490, 4438, 4886, 6340, 6980, 8876, 9772, 11095, 12215, 22190, 24430, 44380, 48860, 110633, 221266, 442532, 553165, 774431, 1106330, 1548862, 2212660, 3097724, 3872155, 7744310, 15488620]

約数ペア:

[(1, 15488620), (2, 7744310), (4, 3872155), (5, 3097724), (7, 2212660), (10, 1548862), (14, 1106330), (20, 774431), (28, 553165), (35, 442532), (70, 221266), (140, 110633), (317, 48860), (349, 44380), (634, 24430), (698, 22190), (1268, 12215), (1396, 11095), (1585, 9772), (1745, 8876), (2219, 6980), (2443, 6340), (3170, 4886), (3490, 4438)]