28705440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:854

約数の個数: 96

約数和(自身を含む): 91687680

約数和(自身を除く): 62982240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 79, 80, 96, 120, 158, 160, 237, 240, 316, 395, 474, 480, 632, 757, 790, 948, 1185, 1264, 1514, 1580, 1896, 2271, 2370, 2528, 3028, 3160, 3785, 3792, 4542, 4740, 6056, 6320, 7570, 7584, 9084, 9480, 11355, 12112, 12640, 15140, 18168, 18960, 22710, 24224, 30280, 36336, 37920, 45420, 59803, 60560, 72672, 90840, 119606, 121120, 179409, 181680, 239212, 299015, 358818, 363360, 478424, 598030, 717636, 897045, 956848, 1196060, 1435272, 1794090, 1913696, 2392120, 2870544, 3588180, 4784240, 5741088, 7176360, 9568480, 14352720, 28705440]

約数ペア:

[(1, 28705440), (2, 14352720), (3, 9568480), (4, 7176360), (5, 5741088), (6, 4784240), (8, 3588180), (10, 2870544), (12, 2392120), (15, 1913696), (16, 1794090), (20, 1435272), (24, 1196060), (30, 956848), (32, 897045), (40, 717636), (48, 598030), (60, 478424), (79, 363360), (80, 358818), (96, 299015), (120, 239212), (158, 181680), (160, 179409), (237, 121120), (240, 119606), (316, 90840), (395, 72672), (474, 60560), (480, 59803), (632, 45420), (757, 37920), (790, 36336), (948, 30280), (1185, 24224), (1264, 22710), (1514, 18960), (1580, 18168), (1896, 15140), (2271, 12640), (2370, 12112), (2528, 11355), (3028, 9480), (3160, 9084), (3785, 7584), (3792, 7570), (4542, 6320), (4740, 6056)]