255704040

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 256

約数和(自身を含む): 897408000

約数和(自身を除く): 641703960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 79, 81, 90, 108, 111, 120, 135, 148, 158, 162, 180, 185, 216, 222, 237, 243, 270, 296, 316, 324, 333, 360, 370, 395, 405, 444, 474, 486, 540, 555, 632, 648, 666, 711, 729, 740, 790, 810, 888, 948, 972, 999, 1080, 1110, 1185, 1215, 1332, 1422, 1458, 1480, 1580, 1620, 1665, 1896, 1944, 1998, 2133, 2187, 2220, 2370, 2430, 2664, 2844, 2916, 2923, 2997, 3160, 3240, 3330, 3555, 3645, 3996, 4266, 4374, 4440, 4740, 4860, 4995, 5688, 5832, 5846, 5994, 6399, 6660, 7110, 7290, 7992, 8532, 8748, 8769, 8991, 9480, 9720, 9990, 10665, 10935, 11692, 11988, 12798, 13320, 14220, 14580, 14615, 14985, 17064, 17496, 17538, 17982, 19197, 19980, 21330, 21870, 23384, 23976, 25596, 26307, 26973, 28440, 29160, 29230, 29970, 31995, 35076, 35964, 38394, 39960, 42660, 43740, 43845, 44955, 51192, 52614, 53946, 57591, 58460, 59940, 63990, 70152, 71928, 76788, 78921, 80919, 85320, 87480, 87690, 89910, 95985, 105228, 107892, 115182, 116920, 119880, 127980, 131535, 134865, 153576, 157842, 161838, 172773, 175380, 179820, 191970, 210456, 215784, 230364, 236763, 255960, 263070, 269730, 287955, 315684, 323676, 345546, 350760, 359640, 383940, 394605, 404595, 460728, 473526, 526140, 539460, 575910, 631368, 647352, 691092, 710289, 767880, 789210, 809190, 863865, 947052, 1052280, 1078920, 1151820, 1183815, 1382184, 1420578, 1578420, 1618380, 1727730, 1894104, 2130867, 2303640, 2367630, 2841156, 3156840, 3236760, 3455460, 3551445, 4261734, 4735260, 5682312, 6392601, 6910920, 7102890, 8523468, 9470520, 10654335, 12785202, 14205780, 17046936, 21308670, 25570404, 28411560, 31963005, 42617340, 51140808, 63926010, 85234680, 127852020, 255704040]

約数ペア:

[(1, 255704040), (2, 127852020), (3, 85234680), (4, 63926010), (5, 51140808), (6, 42617340), (8, 31963005), (9, 28411560), (10, 25570404), (12, 21308670), (15, 17046936), (18, 14205780), (20, 12785202), (24, 10654335), (27, 9470520), (30, 8523468), (36, 7102890), (37, 6910920), (40, 6392601), (45, 5682312), (54, 4735260), (60, 4261734), (72, 3551445), (74, 3455460), (79, 3236760), (81, 3156840), (90, 2841156), (108, 2367630), (111, 2303640), (120, 2130867), (135, 1894104), (148, 1727730), (158, 1618380), (162, 1578420), (180, 1420578), (185, 1382184), (216, 1183815), (222, 1151820), (237, 1078920), (243, 1052280), (270, 947052), (296, 863865), (316, 809190), (324, 789210), (333, 767880), (360, 710289), (370, 691092), (395, 647352), (405, 631368), (444, 575910), (474, 539460), (486, 526140), (540, 473526), (555, 460728), (632, 404595), (648, 394605), (666, 383940), (711, 359640), (729, 350760), (740, 345546), (790, 323676), (810, 315684), (888, 287955), (948, 269730), (972, 263070), (999, 255960), (1080, 236763), (1110, 230364), (1185, 215784), (1215, 210456), (1332, 191970), (1422, 179820), (1458, 175380), (1480, 172773), (1580, 161838), (1620, 157842), (1665, 153576), (1896, 134865), (1944, 131535), (1998, 127980), (2133, 119880), (2187, 116920), (2220, 115182), (2370, 107892), (2430, 105228), (2664, 95985), (2844, 89910), (2916, 87690), (2923, 87480), (2997, 85320), (3160, 80919), (3240, 78921), (3330, 76788), (3555, 71928), (3645, 70152), (3996, 63990), (4266, 59940), (4374, 58460), (4440, 57591), (4740, 53946), (4860, 52614), (4995, 51192), (5688, 44955), (5832, 43845), (5846, 43740), (5994, 42660), (6399, 39960), (6660, 38394), (7110, 35964), (7290, 35076), (7992, 31995), (8532, 29970), (8748, 29230), (8769, 29160), (8991, 28440), (9480, 26973), (9720, 26307), (9990, 25596), (10665, 23976), (10935, 23384), (11692, 21870), (11988, 21330), (12798, 19980), (13320, 19197), (14220, 17982), (14580, 17538), (14615, 17496), (14985, 17064)]