28131455520

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{310091}}^1$

素因数の和:310125

約数の個数: 240

約数和(自身を含む): 113463903168

約数和(自身を除く): 85332447648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 22680, 30240, 45360, 90720, 310091, 620182, 930273, 1240364, 1550455, 1860546, 2170637, 2480728, 2790819, 3100910, 3721092, 4341274, 4651365, 4961456, 5581638, 6201820, 6511911, 7442184, 8372457, 8682548, 9302730, 9922912, 10853185, 11163276, 12403640, 13023822, 13954095, 14884368, 16744914, 17365096, 18605460, 19535733, 21706370, 22326552, 24807280, 25117371, 26047644, 27908190, 29768736, 32559555, 33489828, 34730192, 37210920, 39071466, 41862285, 43412740, 44653104, 49614560, 50234742, 52095288, 55816380, 58607199, 65119110, 66979656, 69460384, 74421840, 78142932, 83724570, 86825480, 89306208, 97678665, 100469484, 104190576, 111632760, 117214398, 125586855, 130238220, 133959312, 148843680, 156285864, 167449140, 173650960, 175821597, 195357330, 200938968, 208381152, 223265520, 234428796, 251173710, 260476440, 267918624, 293035995, 312571728, 334898280, 347301920, 351643194, 390714660, 401877936, 446531040, 468857592, 502347420, 520952880, 586071990, 625143456, 669796560, 703286388, 781429320, 803755872, 879107985, 937715184, 1004694840, 1041905760, 1172143980, 1339593120, 1406572776, 1562858640, 1758215970, 1875430368, 2009389680, 2344287960, 2813145552, 3125717280, 3516431940, 4018779360, 4688575920, 5626291104, 7032863880, 9377151840, 14065727760, 28131455520]

約数ペア:

[(1, 28131455520), (2, 14065727760), (3, 9377151840), (4, 7032863880), (5, 5626291104), (6, 4688575920), (7, 4018779360), (8, 3516431940), (9, 3125717280), (10, 2813145552), (12, 2344287960), (14, 2009389680), (15, 1875430368), (16, 1758215970), (18, 1562858640), (20, 1406572776), (21, 1339593120), (24, 1172143980), (27, 1041905760), (28, 1004694840), (30, 937715184), (32, 879107985), (35, 803755872), (36, 781429320), (40, 703286388), (42, 669796560), (45, 625143456), (48, 586071990), (54, 520952880), (56, 502347420), (60, 468857592), (63, 446531040), (70, 401877936), (72, 390714660), (80, 351643194), (81, 347301920), (84, 334898280), (90, 312571728), (96, 293035995), (105, 267918624), (108, 260476440), (112, 251173710), (120, 234428796), (126, 223265520), (135, 208381152), (140, 200938968), (144, 195357330), (160, 175821597), (162, 173650960), (168, 167449140), (180, 156285864), (189, 148843680), (210, 133959312), (216, 130238220), (224, 125586855), (240, 117214398), (252, 111632760), (270, 104190576), (280, 100469484), (288, 97678665), (315, 89306208), (324, 86825480), (336, 83724570), (360, 78142932), (378, 74421840), (405, 69460384), (420, 66979656), (432, 65119110), (480, 58607199), (504, 55816380), (540, 52095288), (560, 50234742), (567, 49614560), (630, 44653104), (648, 43412740), (672, 41862285), (720, 39071466), (756, 37210920), (810, 34730192), (840, 33489828), (864, 32559555), (945, 29768736), (1008, 27908190), (1080, 26047644), (1120, 25117371), (1134, 24807280), (1260, 22326552), (1296, 21706370), (1440, 19535733), (1512, 18605460), (1620, 17365096), (1680, 16744914), (1890, 14884368), (2016, 13954095), (2160, 13023822), (2268, 12403640), (2520, 11163276), (2592, 10853185), (2835, 9922912), (3024, 9302730), (3240, 8682548), (3360, 8372457), (3780, 7442184), (4320, 6511911), (4536, 6201820), (5040, 5581638), (5670, 4961456), (6048, 4651365), (6480, 4341274), (7560, 3721092), (9072, 3100910), (10080, 2790819), (11340, 2480728), (12960, 2170637), (15120, 1860546), (18144, 1550455), (22680, 1240364), (30240, 930273), (45360, 620182), (90720, 310091)]