247966680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6911}}^1$

素因数の和:6961

約数の個数: 128

約数和(自身を含む): 836075520

約数和(自身を除く): 588108840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 6911, 7176, 8970, 11960, 13822, 17940, 20733, 27644, 34555, 35880, 41466, 55288, 69110, 82932, 89843, 103665, 138220, 158953, 165864, 179686, 207330, 269529, 276440, 317906, 359372, 414660, 449215, 476859, 539058, 635812, 718744, 794765, 829320, 898430, 953718, 1078116, 1271624, 1347645, 1589530, 1796860, 1907436, 2066389, 2156232, 2384295, 2695290, 3179060, 3593720, 3814872, 4132778, 4768590, 5390580, 6199167, 6358120, 8265556, 9537180, 10331945, 10781160, 12398334, 16531112, 19074360, 20663890, 24796668, 30995835, 41327780, 49593336, 61991670, 82655560, 123983340, 247966680]

約数ペア:

[(1, 247966680), (2, 123983340), (3, 82655560), (4, 61991670), (5, 49593336), (6, 41327780), (8, 30995835), (10, 24796668), (12, 20663890), (13, 19074360), (15, 16531112), (20, 12398334), (23, 10781160), (24, 10331945), (26, 9537180), (30, 8265556), (39, 6358120), (40, 6199167), (46, 5390580), (52, 4768590), (60, 4132778), (65, 3814872), (69, 3593720), (78, 3179060), (92, 2695290), (104, 2384295), (115, 2156232), (120, 2066389), (130, 1907436), (138, 1796860), (156, 1589530), (184, 1347645), (195, 1271624), (230, 1078116), (260, 953718), (276, 898430), (299, 829320), (312, 794765), (345, 718744), (390, 635812), (460, 539058), (520, 476859), (552, 449215), (598, 414660), (690, 359372), (780, 317906), (897, 276440), (920, 269529), (1196, 207330), (1380, 179686), (1495, 165864), (1560, 158953), (1794, 138220), (2392, 103665), (2760, 89843), (2990, 82932), (3588, 69110), (4485, 55288), (5980, 41466), (6911, 35880), (7176, 34555), (8970, 27644), (11960, 20733), (13822, 17940)]