261629784

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4051}}^1$

素因数の和:4102

約数の個数: 128

約数和(自身を含む): 816883200

約数和(自身を除く): 555253416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 27, 36, 39, 46, 52, 54, 69, 72, 78, 92, 104, 108, 117, 138, 156, 184, 207, 216, 234, 276, 299, 312, 351, 414, 468, 552, 598, 621, 702, 828, 897, 936, 1196, 1242, 1404, 1656, 1794, 2392, 2484, 2691, 2808, 3588, 4051, 4968, 5382, 7176, 8073, 8102, 10764, 12153, 16146, 16204, 21528, 24306, 32292, 32408, 36459, 48612, 52663, 64584, 72918, 93173, 97224, 105326, 109377, 145836, 157989, 186346, 210652, 218754, 279519, 291672, 315978, 372692, 421304, 437508, 473967, 559038, 631956, 745384, 838557, 875016, 947934, 1118076, 1211249, 1263912, 1421901, 1677114, 1895868, 2236152, 2422498, 2515671, 2843802, 3354228, 3633747, 3791736, 4844996, 5031342, 5687604, 6708456, 7267494, 9689992, 10062684, 10901241, 11375208, 14534988, 20125368, 21802482, 29069976, 32703723, 43604964, 65407446, 87209928, 130814892, 261629784]

約数ペア:

[(1, 261629784), (2, 130814892), (3, 87209928), (4, 65407446), (6, 43604964), (8, 32703723), (9, 29069976), (12, 21802482), (13, 20125368), (18, 14534988), (23, 11375208), (24, 10901241), (26, 10062684), (27, 9689992), (36, 7267494), (39, 6708456), (46, 5687604), (52, 5031342), (54, 4844996), (69, 3791736), (72, 3633747), (78, 3354228), (92, 2843802), (104, 2515671), (108, 2422498), (117, 2236152), (138, 1895868), (156, 1677114), (184, 1421901), (207, 1263912), (216, 1211249), (234, 1118076), (276, 947934), (299, 875016), (312, 838557), (351, 745384), (414, 631956), (468, 559038), (552, 473967), (598, 437508), (621, 421304), (702, 372692), (828, 315978), (897, 291672), (936, 279519), (1196, 218754), (1242, 210652), (1404, 186346), (1656, 157989), (1794, 145836), (2392, 109377), (2484, 105326), (2691, 97224), (2808, 93173), (3588, 72918), (4051, 64584), (4968, 52663), (5382, 48612), (7176, 36459), (8073, 32408), (8102, 32292), (10764, 24306), (12153, 21528), (16146, 16204)]