256694880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1389

約数の個数: 192

約数和(自身を含む): 899555328

約数和(自身を除く): 642860448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 96, 104, 120, 124, 130, 155, 156, 160, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 416, 465, 480, 496, 520, 620, 624, 744, 780, 806, 930, 992, 1040, 1209, 1240, 1248, 1327, 1488, 1560, 1612, 1860, 2015, 2080, 2418, 2480, 2654, 2976, 3120, 3224, 3720, 3981, 4030, 4836, 4960, 5308, 6045, 6240, 6448, 6635, 7440, 7962, 8060, 9672, 10616, 12090, 12896, 13270, 14880, 15924, 16120, 17251, 19344, 19905, 21232, 24180, 26540, 31848, 32240, 34502, 38688, 39810, 41137, 42464, 48360, 51753, 53080, 63696, 64480, 69004, 79620, 82274, 86255, 96720, 103506, 106160, 123411, 127392, 138008, 159240, 164548, 172510, 193440, 205685, 207012, 212320, 246822, 258765, 276016, 318480, 329096, 345020, 411370, 414024, 493644, 517530, 534781, 552032, 617055, 636960, 658192, 690040, 822740, 828048, 987288, 1035060, 1069562, 1234110, 1316384, 1380080, 1604343, 1645480, 1656096, 1974576, 2070120, 2139124, 2468220, 2673905, 2760160, 3208686, 3290960, 3949152, 4140240, 4278248, 4936440, 5347810, 6417372, 6581920, 8021715, 8280480, 8556496, 9872880, 10695620, 12834744, 16043430, 17112992, 19745760, 21391240, 25669488, 32086860, 42782480, 51338976, 64173720, 85564960, 128347440, 256694880]

約数ペア:

[(1, 256694880), (2, 128347440), (3, 85564960), (4, 64173720), (5, 51338976), (6, 42782480), (8, 32086860), (10, 25669488), (12, 21391240), (13, 19745760), (15, 17112992), (16, 16043430), (20, 12834744), (24, 10695620), (26, 9872880), (30, 8556496), (31, 8280480), (32, 8021715), (39, 6581920), (40, 6417372), (48, 5347810), (52, 4936440), (60, 4278248), (62, 4140240), (65, 3949152), (78, 3290960), (80, 3208686), (93, 2760160), (96, 2673905), (104, 2468220), (120, 2139124), (124, 2070120), (130, 1974576), (155, 1656096), (156, 1645480), (160, 1604343), (186, 1380080), (195, 1316384), (208, 1234110), (240, 1069562), (248, 1035060), (260, 987288), (310, 828048), (312, 822740), (372, 690040), (390, 658192), (403, 636960), (416, 617055), (465, 552032), (480, 534781), (496, 517530), (520, 493644), (620, 414024), (624, 411370), (744, 345020), (780, 329096), (806, 318480), (930, 276016), (992, 258765), (1040, 246822), (1209, 212320), (1240, 207012), (1248, 205685), (1327, 193440), (1488, 172510), (1560, 164548), (1612, 159240), (1860, 138008), (2015, 127392), (2080, 123411), (2418, 106160), (2480, 103506), (2654, 96720), (2976, 86255), (3120, 82274), (3224, 79620), (3720, 69004), (3981, 64480), (4030, 63696), (4836, 53080), (4960, 51753), (5308, 48360), (6045, 42464), (6240, 41137), (6448, 39810), (6635, 38688), (7440, 34502), (7962, 32240), (8060, 31848), (9672, 26540), (10616, 24180), (12090, 21232), (12896, 19905), (13270, 19344), (14880, 17251), (15924, 16120)]