1328007720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{4457}}^1$

素因数の和:4675

約数の個数: 128

約数和(自身を含む): 4313917440

約数和(自身を除く): 2985909720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 191, 195, 260, 312, 382, 390, 520, 573, 764, 780, 955, 1146, 1528, 1560, 1910, 2292, 2483, 2865, 3820, 4457, 4584, 4966, 5730, 7449, 7640, 8914, 9932, 11460, 12415, 13371, 14898, 17828, 19864, 22285, 22920, 24830, 26742, 29796, 35656, 37245, 44570, 49660, 53484, 57941, 59592, 66855, 74490, 89140, 99320, 106968, 115882, 133710, 148980, 173823, 178280, 231764, 267420, 289705, 297960, 347646, 463528, 534840, 579410, 695292, 851287, 869115, 1158820, 1390584, 1702574, 1738230, 2317640, 2553861, 3405148, 3476460, 4256435, 5107722, 6810296, 6952920, 8512870, 10215444, 11066731, 12769305, 17025740, 20430888, 22133462, 25538610, 33200193, 34051480, 44266924, 51077220, 55333655, 66400386, 88533848, 102154440, 110667310, 132800772, 166000965, 221334620, 265601544, 332001930, 442669240, 664003860, 1328007720]

約数ペア:

[(1, 1328007720), (2, 664003860), (3, 442669240), (4, 332001930), (5, 265601544), (6, 221334620), (8, 166000965), (10, 132800772), (12, 110667310), (13, 102154440), (15, 88533848), (20, 66400386), (24, 55333655), (26, 51077220), (30, 44266924), (39, 34051480), (40, 33200193), (52, 25538610), (60, 22133462), (65, 20430888), (78, 17025740), (104, 12769305), (120, 11066731), (130, 10215444), (156, 8512870), (191, 6952920), (195, 6810296), (260, 5107722), (312, 4256435), (382, 3476460), (390, 3405148), (520, 2553861), (573, 2317640), (764, 1738230), (780, 1702574), (955, 1390584), (1146, 1158820), (1528, 869115), (1560, 851287), (1910, 695292), (2292, 579410), (2483, 534840), (2865, 463528), (3820, 347646), (4457, 297960), (4584, 289705), (4966, 267420), (5730, 231764), (7449, 178280), (7640, 173823), (8914, 148980), (9932, 133710), (11460, 115882), (12415, 106968), (13371, 99320), (14898, 89140), (17828, 74490), (19864, 66855), (22285, 59592), (22920, 57941), (24830, 53484), (26742, 49660), (29796, 44570), (35656, 37245)]