28998840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:697

約数の個数: 128

約数和(自身を含む): 97070400

約数和(自身を除く): 68071560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 520, 580, 641, 696, 754, 780, 870, 1131, 1160, 1282, 1508, 1560, 1740, 1885, 1923, 2262, 2564, 3016, 3205, 3480, 3770, 3846, 4524, 5128, 5655, 6410, 7540, 7692, 8333, 9048, 9615, 11310, 12820, 15080, 15384, 16666, 18589, 19230, 22620, 24999, 25640, 33332, 37178, 38460, 41665, 45240, 49998, 55767, 66664, 74356, 76920, 83330, 92945, 99996, 111534, 124995, 148712, 166660, 185890, 199992, 223068, 241657, 249990, 278835, 333320, 371780, 446136, 483314, 499980, 557670, 724971, 743560, 966628, 999960, 1115340, 1208285, 1449942, 1933256, 2230680, 2416570, 2899884, 3624855, 4833140, 5799768, 7249710, 9666280, 14499420, 28998840]

約数ペア:

[(1, 28998840), (2, 14499420), (3, 9666280), (4, 7249710), (5, 5799768), (6, 4833140), (8, 3624855), (10, 2899884), (12, 2416570), (13, 2230680), (15, 1933256), (20, 1449942), (24, 1208285), (26, 1115340), (29, 999960), (30, 966628), (39, 743560), (40, 724971), (52, 557670), (58, 499980), (60, 483314), (65, 446136), (78, 371780), (87, 333320), (104, 278835), (116, 249990), (120, 241657), (130, 223068), (145, 199992), (156, 185890), (174, 166660), (195, 148712), (232, 124995), (260, 111534), (290, 99996), (312, 92945), (348, 83330), (377, 76920), (390, 74356), (435, 66664), (520, 55767), (580, 49998), (641, 45240), (696, 41665), (754, 38460), (780, 37178), (870, 33332), (1131, 25640), (1160, 24999), (1282, 22620), (1508, 19230), (1560, 18589), (1740, 16666), (1885, 15384), (1923, 15080), (2262, 12820), (2564, 11310), (3016, 9615), (3205, 9048), (3480, 8333), (3770, 7692), (3846, 7540), (4524, 6410), (5128, 5655)]