128514672020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1\times {\mathrm{49081}}^1$

素因数の和:49473

約数の個数: 96

約数和(自身を含む): 314658812160

約数和(自身を除く): 186144140140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 317, 413, 590, 634, 826, 1180, 1268, 1585, 1652, 2065, 2219, 3170, 4130, 4438, 6340, 8260, 8876, 11095, 18703, 22190, 37406, 44380, 49081, 74812, 93515, 98162, 130921, 187030, 196324, 245405, 261842, 343567, 374060, 490810, 523684, 654605, 687134, 981620, 1309210, 1374268, 1717835, 2618420, 2895779, 3435670, 5791558, 6871340, 11583116, 14478895, 15558677, 20270453, 28957790, 31117354, 40540906, 57915580, 62234708, 77793385, 81081812, 101352265, 108910739, 155586770, 202704530, 217821478, 311173540, 405409060, 435642956, 544553695, 917961943, 1089107390, 1835923886, 2178214780, 3671847772, 4589809715, 6425733601, 9179619430, 12851467202, 18359238860, 25702934404, 32128668005, 64257336010, 128514672020]

約数ペア:

[(1, 128514672020), (2, 64257336010), (4, 32128668005), (5, 25702934404), (7, 18359238860), (10, 12851467202), (14, 9179619430), (20, 6425733601), (28, 4589809715), (35, 3671847772), (59, 2178214780), (70, 1835923886), (118, 1089107390), (140, 917961943), (236, 544553695), (295, 435642956), (317, 405409060), (413, 311173540), (590, 217821478), (634, 202704530), (826, 155586770), (1180, 108910739), (1268, 101352265), (1585, 81081812), (1652, 77793385), (2065, 62234708), (2219, 57915580), (3170, 40540906), (4130, 31117354), (4438, 28957790), (6340, 20270453), (8260, 15558677), (8876, 14478895), (11095, 11583116), (18703, 6871340), (22190, 5791558), (37406, 3435670), (44380, 2895779), (49081, 2618420), (74812, 1717835), (93515, 1374268), (98162, 1309210), (130921, 981620), (187030, 687134), (196324, 654605), (245405, 523684), (261842, 490810), (343567, 374060)]