401428440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1831}}^1$

素因数の和:1887

約数の個数: 256

約数和(自身を含む): 1582848000

約数和(自身を除く): 1181419560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 29, 30, 35, 36, 40, 42, 45, 54, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 108, 116, 120, 126, 135, 140, 145, 168, 174, 180, 189, 203, 210, 216, 232, 252, 261, 270, 280, 290, 315, 348, 360, 378, 406, 420, 435, 504, 522, 540, 580, 609, 630, 696, 756, 783, 812, 840, 870, 945, 1015, 1044, 1080, 1160, 1218, 1260, 1305, 1512, 1566, 1624, 1740, 1827, 1831, 1890, 2030, 2088, 2436, 2520, 2610, 3045, 3132, 3480, 3654, 3662, 3780, 3915, 4060, 4872, 5220, 5481, 5493, 6090, 6264, 7308, 7324, 7560, 7830, 8120, 9135, 9155, 10440, 10962, 10986, 12180, 12817, 14616, 14648, 15660, 16479, 18270, 18310, 21924, 21972, 24360, 25634, 27405, 27465, 31320, 32958, 36540, 36620, 38451, 43848, 43944, 49437, 51268, 53099, 54810, 54930, 64085, 65916, 73080, 73240, 76902, 82395, 98874, 102536, 106198, 109620, 109860, 115353, 128170, 131832, 153804, 159297, 164790, 192255, 197748, 212396, 219240, 219720, 230706, 247185, 256340, 265495, 307608, 318594, 329580, 346059, 371693, 384510, 395496, 424792, 461412, 477891, 494370, 512680, 530990, 576765, 637188, 659160, 692118, 743386, 769020, 796485, 922824, 955782, 988740, 1061980, 1115079, 1153530, 1274376, 1384236, 1433673, 1486772, 1538040, 1592970, 1730295, 1858465, 1911564, 1977480, 2123960, 2230158, 2307060, 2389455, 2768472, 2867346, 2973544, 3185940, 3345237, 3460590, 3716930, 3823128, 4460316, 4614120, 4778910, 5575395, 5734692, 6371880, 6690474, 6921180, 7168365, 7433860, 8920632, 9557820, 10035711, 11150790, 11469384, 13380948, 13842360, 14336730, 14867720, 16726185, 19115640, 20071422, 22301580, 26761896, 28673460, 33452370, 40142844, 44603160, 50178555, 57346920, 66904740, 80285688, 100357110, 133809480, 200714220, 401428440]

約数ペア:

[(1, 401428440), (2, 200714220), (3, 133809480), (4, 100357110), (5, 80285688), (6, 66904740), (7, 57346920), (8, 50178555), (9, 44603160), (10, 40142844), (12, 33452370), (14, 28673460), (15, 26761896), (18, 22301580), (20, 20071422), (21, 19115640), (24, 16726185), (27, 14867720), (28, 14336730), (29, 13842360), (30, 13380948), (35, 11469384), (36, 11150790), (40, 10035711), (42, 9557820), (45, 8920632), (54, 7433860), (56, 7168365), (58, 6921180), (60, 6690474), (63, 6371880), (70, 5734692), (72, 5575395), (84, 4778910), (87, 4614120), (90, 4460316), (105, 3823128), (108, 3716930), (116, 3460590), (120, 3345237), (126, 3185940), (135, 2973544), (140, 2867346), (145, 2768472), (168, 2389455), (174, 2307060), (180, 2230158), (189, 2123960), (203, 1977480), (210, 1911564), (216, 1858465), (232, 1730295), (252, 1592970), (261, 1538040), (270, 1486772), (280, 1433673), (290, 1384236), (315, 1274376), (348, 1153530), (360, 1115079), (378, 1061980), (406, 988740), (420, 955782), (435, 922824), (504, 796485), (522, 769020), (540, 743386), (580, 692118), (609, 659160), (630, 637188), (696, 576765), (756, 530990), (783, 512680), (812, 494370), (840, 477891), (870, 461412), (945, 424792), (1015, 395496), (1044, 384510), (1080, 371693), (1160, 346059), (1218, 329580), (1260, 318594), (1305, 307608), (1512, 265495), (1566, 256340), (1624, 247185), (1740, 230706), (1827, 219720), (1831, 219240), (1890, 212396), (2030, 197748), (2088, 192255), (2436, 164790), (2520, 159297), (2610, 153804), (3045, 131832), (3132, 128170), (3480, 115353), (3654, 109860), (3662, 109620), (3780, 106198), (3915, 102536), (4060, 98874), (4872, 82395), (5220, 76902), (5481, 73240), (5493, 73080), (6090, 65916), (6264, 64085), (7308, 54930), (7324, 54810), (7560, 53099), (7830, 51268), (8120, 49437), (9135, 43944), (9155, 43848), (10440, 38451), (10962, 36620), (10986, 36540), (12180, 32958), (12817, 31320), (14616, 27465), (14648, 27405), (15660, 25634), (16479, 24360), (18270, 21972), (18310, 21924)]