15913480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 39787200

約数和(自身を除く): 23873720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 613, 649, 1180, 1226, 1298, 2360, 2452, 2596, 3065, 3245, 4904, 5192, 6130, 6490, 6743, 12260, 12980, 13486, 24520, 25960, 26972, 33715, 36167, 53944, 67430, 72334, 134860, 144668, 180835, 269720, 289336, 361670, 397837, 723340, 795674, 1446680, 1591348, 1989185, 3182696, 3978370, 7956740, 15913480]

約数ペア:

[(1, 15913480), (2, 7956740), (4, 3978370), (5, 3182696), (8, 1989185), (10, 1591348), (11, 1446680), (20, 795674), (22, 723340), (40, 397837), (44, 361670), (55, 289336), (59, 269720), (88, 180835), (110, 144668), (118, 134860), (220, 72334), (236, 67430), (295, 53944), (440, 36167), (472, 33715), (590, 26972), (613, 25960), (649, 24520), (1180, 13486), (1226, 12980), (1298, 12260), (2360, 6743), (2452, 6490), (2596, 6130), (3065, 5192), (3245, 4904)]