278864880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1031}}^1$

素因数の和:1084

約数の個数: 240

約数和(自身を含む): 1050361344

約数和(自身を除く): 771496464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 49, 56, 60, 69, 70, 80, 84, 92, 98, 105, 112, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 230, 240, 245, 276, 280, 294, 322, 336, 345, 368, 392, 420, 460, 483, 490, 552, 560, 588, 644, 690, 735, 784, 805, 840, 920, 966, 980, 1031, 1104, 1127, 1176, 1288, 1380, 1470, 1610, 1680, 1840, 1932, 1960, 2062, 2254, 2352, 2415, 2576, 2760, 2940, 3093, 3220, 3381, 3864, 3920, 4124, 4508, 4830, 5155, 5520, 5635, 5880, 6186, 6440, 6762, 7217, 7728, 8248, 9016, 9660, 10310, 11270, 11760, 12372, 12880, 13524, 14434, 15465, 16496, 16905, 18032, 19320, 20620, 21651, 22540, 23713, 24744, 27048, 28868, 30930, 33810, 36085, 38640, 41240, 43302, 45080, 47426, 49488, 50519, 54096, 57736, 61860, 67620, 71139, 72170, 82480, 86604, 90160, 94852, 101038, 108255, 115472, 118565, 123720, 135240, 142278, 144340, 151557, 165991, 173208, 189704, 202076, 216510, 237130, 247440, 252595, 270480, 284556, 288680, 303114, 331982, 346416, 355695, 379408, 404152, 433020, 474260, 497973, 505190, 569112, 577360, 606228, 663964, 711390, 757785, 808304, 829955, 866040, 948520, 995946, 1010380, 1138224, 1161937, 1212456, 1327928, 1422780, 1515570, 1659910, 1732080, 1897040, 1991892, 2020760, 2323874, 2424912, 2489865, 2655856, 2845560, 3031140, 3319820, 3485811, 3983784, 4041520, 4647748, 4979730, 5691120, 5809685, 6062280, 6639640, 6971622, 7967568, 9295496, 9959460, 11619370, 12124560, 13279280, 13943244, 17429055, 18590992, 19918920, 23238740, 27886488, 34858110, 39837840, 46477480, 55772976, 69716220, 92954960, 139432440, 278864880]

約数ペア:

[(1, 278864880), (2, 139432440), (3, 92954960), (4, 69716220), (5, 55772976), (6, 46477480), (7, 39837840), (8, 34858110), (10, 27886488), (12, 23238740), (14, 19918920), (15, 18590992), (16, 17429055), (20, 13943244), (21, 13279280), (23, 12124560), (24, 11619370), (28, 9959460), (30, 9295496), (35, 7967568), (40, 6971622), (42, 6639640), (46, 6062280), (48, 5809685), (49, 5691120), (56, 4979730), (60, 4647748), (69, 4041520), (70, 3983784), (80, 3485811), (84, 3319820), (92, 3031140), (98, 2845560), (105, 2655856), (112, 2489865), (115, 2424912), (120, 2323874), (138, 2020760), (140, 1991892), (147, 1897040), (161, 1732080), (168, 1659910), (184, 1515570), (196, 1422780), (210, 1327928), (230, 1212456), (240, 1161937), (245, 1138224), (276, 1010380), (280, 995946), (294, 948520), (322, 866040), (336, 829955), (345, 808304), (368, 757785), (392, 711390), (420, 663964), (460, 606228), (483, 577360), (490, 569112), (552, 505190), (560, 497973), (588, 474260), (644, 433020), (690, 404152), (735, 379408), (784, 355695), (805, 346416), (840, 331982), (920, 303114), (966, 288680), (980, 284556), (1031, 270480), (1104, 252595), (1127, 247440), (1176, 237130), (1288, 216510), (1380, 202076), (1470, 189704), (1610, 173208), (1680, 165991), (1840, 151557), (1932, 144340), (1960, 142278), (2062, 135240), (2254, 123720), (2352, 118565), (2415, 115472), (2576, 108255), (2760, 101038), (2940, 94852), (3093, 90160), (3220, 86604), (3381, 82480), (3864, 72170), (3920, 71139), (4124, 67620), (4508, 61860), (4830, 57736), (5155, 54096), (5520, 50519), (5635, 49488), (5880, 47426), (6186, 45080), (6440, 43302), (6762, 41240), (7217, 38640), (7728, 36085), (8248, 33810), (9016, 30930), (9660, 28868), (10310, 27048), (11270, 24744), (11760, 23713), (12372, 22540), (12880, 21651), (13524, 20620), (14434, 19320), (15465, 18032), (16496, 16905)]