1561404528

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1361}}^1$

素因数の和:1663

約数の個数: 120

約数和(自身を含む): 4531602816

約数和(自身を除く): 2970198288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 257, 279, 372, 496, 514, 558, 744, 771, 1028, 1116, 1361, 1488, 1542, 2056, 2232, 2313, 2722, 3084, 4083, 4112, 4464, 4626, 5444, 6168, 7967, 8166, 9252, 10888, 12249, 12336, 15934, 16332, 18504, 21776, 23901, 24498, 31868, 32664, 37008, 42191, 47802, 48996, 63736, 65328, 71703, 84382, 95604, 97992, 126573, 127472, 143406, 168764, 191208, 195984, 253146, 286812, 337528, 349777, 379719, 382416, 506292, 573624, 675056, 699554, 759438, 1012584, 1049331, 1147248, 1399108, 1518876, 2025168, 2098662, 2798216, 3037752, 3147993, 4197324, 5596432, 6075504, 6295986, 8394648, 10843087, 12591972, 16789296, 21686174, 25183944, 32529261, 43372348, 50367888, 65058522, 86744696, 97587783, 130117044, 173489392, 195175566, 260234088, 390351132, 520468176, 780702264, 1561404528]

約数ペア:

[(1, 1561404528), (2, 780702264), (3, 520468176), (4, 390351132), (6, 260234088), (8, 195175566), (9, 173489392), (12, 130117044), (16, 97587783), (18, 86744696), (24, 65058522), (31, 50367888), (36, 43372348), (48, 32529261), (62, 25183944), (72, 21686174), (93, 16789296), (124, 12591972), (144, 10843087), (186, 8394648), (248, 6295986), (257, 6075504), (279, 5596432), (372, 4197324), (496, 3147993), (514, 3037752), (558, 2798216), (744, 2098662), (771, 2025168), (1028, 1518876), (1116, 1399108), (1361, 1147248), (1488, 1049331), (1542, 1012584), (2056, 759438), (2232, 699554), (2313, 675056), (2722, 573624), (3084, 506292), (4083, 382416), (4112, 379719), (4464, 349777), (4626, 337528), (5444, 286812), (6168, 253146), (7967, 195984), (8166, 191208), (9252, 168764), (10888, 143406), (12249, 127472), (12336, 126573), (15934, 97992), (16332, 95604), (18504, 84382), (21776, 71703), (23901, 65328), (24498, 63736), (31868, 48996), (32664, 47802), (37008, 42191)]