311510680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 783820800

約数和(自身を除く): 472310120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 89, 104, 106, 127, 130, 178, 212, 254, 260, 265, 356, 424, 445, 508, 520, 530, 635, 689, 712, 890, 1016, 1060, 1157, 1270, 1378, 1651, 1780, 2120, 2314, 2540, 2756, 3302, 3445, 3560, 4628, 4717, 5080, 5512, 5785, 6604, 6731, 6890, 8255, 9256, 9434, 11303, 11570, 13208, 13462, 13780, 16510, 18868, 22606, 23140, 23585, 26924, 27560, 33020, 33655, 37736, 45212, 46280, 47170, 53848, 56515, 61321, 66040, 67310, 87503, 90424, 94340, 113030, 122642, 134620, 146939, 175006, 188680, 226060, 245284, 269240, 293878, 306605, 350012, 437515, 452120, 490568, 587756, 599059, 613210, 700024, 734695, 875030, 1175512, 1198118, 1226420, 1469390, 1750060, 2396236, 2452840, 2938780, 2995295, 3500120, 4792472, 5877560, 5990590, 7787767, 11981180, 15575534, 23962360, 31151068, 38938835, 62302136, 77877670, 155755340, 311510680]

約数ペア:

[(1, 311510680), (2, 155755340), (4, 77877670), (5, 62302136), (8, 38938835), (10, 31151068), (13, 23962360), (20, 15575534), (26, 11981180), (40, 7787767), (52, 5990590), (53, 5877560), (65, 4792472), (89, 3500120), (104, 2995295), (106, 2938780), (127, 2452840), (130, 2396236), (178, 1750060), (212, 1469390), (254, 1226420), (260, 1198118), (265, 1175512), (356, 875030), (424, 734695), (445, 700024), (508, 613210), (520, 599059), (530, 587756), (635, 490568), (689, 452120), (712, 437515), (890, 350012), (1016, 306605), (1060, 293878), (1157, 269240), (1270, 245284), (1378, 226060), (1651, 188680), (1780, 175006), (2120, 146939), (2314, 134620), (2540, 122642), (2756, 113030), (3302, 94340), (3445, 90424), (3560, 87503), (4628, 67310), (4717, 66040), (5080, 61321), (5512, 56515), (5785, 53848), (6604, 47170), (6731, 46280), (6890, 45212), (8255, 37736), (9256, 33655), (9434, 33020), (11303, 27560), (11570, 26924), (13208, 23585), (13462, 23140), (13780, 22606), (16510, 18868)]