1491987840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3641

約数の個数: 256

約数和(自身を含む): 5611991040

約数和(自身を除く): 4120003200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 560, 620, 640, 651, 672, 744, 840, 868, 896, 930, 960, 992, 1085, 1120, 1240, 1302, 1344, 1488, 1680, 1736, 1860, 1920, 1984, 2170, 2240, 2480, 2604, 2688, 2976, 3255, 3360, 3472, 3581, 3720, 3968, 4340, 4480, 4960, 5208, 5952, 6510, 6720, 6944, 7162, 7440, 8680, 9920, 10416, 10743, 11904, 13020, 13440, 13888, 14324, 14880, 17360, 17905, 19840, 20832, 21486, 25067, 26040, 27776, 28648, 29760, 34720, 35810, 41664, 42972, 50134, 52080, 53715, 57296, 59520, 69440, 71620, 75201, 83328, 85944, 100268, 104160, 107430, 111011, 114592, 125335, 138880, 143240, 150402, 171888, 200536, 208320, 214860, 222022, 229184, 250670, 286480, 300804, 333033, 343776, 376005, 401072, 416640, 429720, 444044, 458368, 501340, 555055, 572960, 601608, 666066, 687552, 752010, 777077, 802144, 859440, 888088, 1002680, 1110110, 1145920, 1203216, 1332132, 1375104, 1504020, 1554154, 1604288, 1665165, 1718880, 1776176, 2005360, 2220220, 2291840, 2331231, 2406432, 2664264, 3008040, 3108308, 3208576, 3330330, 3437760, 3552352, 3885385, 4010720, 4440440, 4662462, 4812864, 5328528, 6016080, 6216616, 6660660, 6875520, 7104704, 7770770, 8021440, 8880880, 9324924, 9625728, 10657056, 11656155, 12032160, 12433232, 13321320, 14209408, 15541540, 16042880, 17761760, 18649848, 21314112, 23312310, 24064320, 24866464, 26642640, 31083080, 35523520, 37299696, 42628224, 46624620, 48128640, 49732928, 53285280, 62166160, 71047040, 74599392, 93249240, 99465856, 106570560, 124332320, 149198784, 186498480, 213141120, 248664640, 298397568, 372996960, 497329280, 745993920, 1491987840]

約数ペア:

[(1, 1491987840), (2, 745993920), (3, 497329280), (4, 372996960), (5, 298397568), (6, 248664640), (7, 213141120), (8, 186498480), (10, 149198784), (12, 124332320), (14, 106570560), (15, 99465856), (16, 93249240), (20, 74599392), (21, 71047040), (24, 62166160), (28, 53285280), (30, 49732928), (31, 48128640), (32, 46624620), (35, 42628224), (40, 37299696), (42, 35523520), (48, 31083080), (56, 26642640), (60, 24866464), (62, 24064320), (64, 23312310), (70, 21314112), (80, 18649848), (84, 17761760), (93, 16042880), (96, 15541540), (105, 14209408), (112, 13321320), (120, 12433232), (124, 12032160), (128, 11656155), (140, 10657056), (155, 9625728), (160, 9324924), (168, 8880880), (186, 8021440), (192, 7770770), (210, 7104704), (217, 6875520), (224, 6660660), (240, 6216616), (248, 6016080), (280, 5328528), (310, 4812864), (320, 4662462), (336, 4440440), (372, 4010720), (384, 3885385), (420, 3552352), (434, 3437760), (448, 3330330), (465, 3208576), (480, 3108308), (496, 3008040), (560, 2664264), (620, 2406432), (640, 2331231), (651, 2291840), (672, 2220220), (744, 2005360), (840, 1776176), (868, 1718880), (896, 1665165), (930, 1604288), (960, 1554154), (992, 1504020), (1085, 1375104), (1120, 1332132), (1240, 1203216), (1302, 1145920), (1344, 1110110), (1488, 1002680), (1680, 888088), (1736, 859440), (1860, 802144), (1920, 777077), (1984, 752010), (2170, 687552), (2240, 666066), (2480, 601608), (2604, 572960), (2688, 555055), (2976, 501340), (3255, 458368), (3360, 444044), (3472, 429720), (3581, 416640), (3720, 401072), (3968, 376005), (4340, 343776), (4480, 333033), (4960, 300804), (5208, 286480), (5952, 250670), (6510, 229184), (6720, 222022), (6944, 214860), (7162, 208320), (7440, 200536), (8680, 171888), (9920, 150402), (10416, 143240), (10743, 138880), (11904, 125335), (13020, 114592), (13440, 111011), (13888, 107430), (14324, 104160), (14880, 100268), (17360, 85944), (17905, 83328), (19840, 75201), (20832, 71620), (21486, 69440), (25067, 59520), (26040, 57296), (27776, 53715), (28648, 52080), (29760, 50134), (34720, 42972), (35810, 41664)]