21201120720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2357}}^1$

素因数の和:2451

約数の個数: 360

約数和(自身を含む): 79264254888

約数和(自身を除く): 58063134168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 234, 240, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 961, 1040, 1116, 1170, 1209, 1240, 1395, 1488, 1560, 1612, 1860, 1872, 1922, 2015, 2232, 2340, 2357, 2418, 2480, 2790, 2883, 3120, 3224, 3627, 3720, 3844, 4030, 4464, 4680, 4714, 4805, 4836, 5580, 5766, 6045, 6448, 7071, 7254, 7440, 7688, 8060, 8649, 9360, 9428, 9610, 9672, 11160, 11532, 11785, 12090, 12493, 14142, 14415, 14508, 15376, 16120, 17298, 18135, 18856, 19220, 19344, 21213, 22320, 23064, 23570, 24180, 24986, 28284, 28830, 29016, 30641, 32240, 34596, 35355, 36270, 37479, 37712, 38440, 42426, 43245, 46128, 47140, 48360, 49972, 56568, 57660, 58032, 61282, 62465, 69192, 70710, 72540, 73067, 74958, 76880, 84852, 86490, 91923, 94280, 96720, 99944, 106065, 112437, 113136, 115320, 122564, 124930, 138384, 141420, 145080, 146134, 149916, 153205, 169704, 172980, 183846, 187395, 188560, 199888, 212130, 219201, 224874, 230640, 245128, 249860, 275769, 282840, 290160, 292268, 299832, 306410, 339408, 345960, 365335, 367692, 374790, 424260, 438402, 449748, 459615, 490256, 499720, 551538, 562185, 565680, 584536, 599664, 612820, 657603, 691920, 730670, 735384, 749580, 848520, 876804, 899496, 919230, 949871, 999440, 1096005, 1103076, 1124370, 1169072, 1225640, 1315206, 1378845, 1461340, 1470768, 1499160, 1697040, 1753608, 1798992, 1838460, 1899742, 2192010, 2206152, 2248740, 2265077, 2451280, 2630412, 2757690, 2849613, 2922680, 2998320, 3288015, 3507216, 3676920, 3799484, 4384020, 4412304, 4497480, 4530154, 4749355, 5260824, 5515380, 5699226, 5845360, 6576030, 6795231, 7353840, 7598968, 8548839, 8768040, 8994960, 9060308, 9498710, 10521648, 11030760, 11325385, 11398452, 13152060, 13590462, 14248065, 15197936, 17097678, 17536080, 18120616, 18997420, 20385693, 22061520, 22650770, 22796904, 26304120, 27180924, 28496130, 29446001, 33976155, 34195356, 36241232, 37994840, 40771386, 42744195, 45301540, 45593808, 52608240, 54361848, 56992260, 58892002, 67952310, 68390712, 75989680, 81542772, 85488390, 88338003, 90603080, 101928465, 108723696, 113984520, 117784004, 135904620, 136781424, 147230005, 163085544, 170976780, 176676006, 181206160, 203856930, 227969040, 235568008, 265014009, 271809240, 294460010, 326171088, 341953560, 353352012, 407713860, 441690015, 471136016, 530028018, 543618480, 588920020, 683907120, 706704024, 815427720, 883380030, 1060056036, 1177840040, 1325070045, 1413408048, 1630855440, 1766760060, 2120112072, 2355680080, 2650140090, 3533520120, 4240224144, 5300280180, 7067040240, 10600560360, 21201120720]

約数ペア:

[(1, 21201120720), (2, 10600560360), (3, 7067040240), (4, 5300280180), (5, 4240224144), (6, 3533520120), (8, 2650140090), (9, 2355680080), (10, 2120112072), (12, 1766760060), (13, 1630855440), (15, 1413408048), (16, 1325070045), (18, 1177840040), (20, 1060056036), (24, 883380030), (26, 815427720), (30, 706704024), (31, 683907120), (36, 588920020), (39, 543618480), (40, 530028018), (45, 471136016), (48, 441690015), (52, 407713860), (60, 353352012), (62, 341953560), (65, 326171088), (72, 294460010), (78, 271809240), (80, 265014009), (90, 235568008), (93, 227969040), (104, 203856930), (117, 181206160), (120, 176676006), (124, 170976780), (130, 163085544), (144, 147230005), (155, 136781424), (156, 135904620), (180, 117784004), (186, 113984520), (195, 108723696), (208, 101928465), (234, 90603080), (240, 88338003), (248, 85488390), (260, 81542772), (279, 75989680), (310, 68390712), (312, 67952310), (360, 58892002), (372, 56992260), (390, 54361848), (403, 52608240), (465, 45593808), (468, 45301540), (496, 42744195), (520, 40771386), (558, 37994840), (585, 36241232), (620, 34195356), (624, 33976155), (720, 29446001), (744, 28496130), (780, 27180924), (806, 26304120), (930, 22796904), (936, 22650770), (961, 22061520), (1040, 20385693), (1116, 18997420), (1170, 18120616), (1209, 17536080), (1240, 17097678), (1395, 15197936), (1488, 14248065), (1560, 13590462), (1612, 13152060), (1860, 11398452), (1872, 11325385), (1922, 11030760), (2015, 10521648), (2232, 9498710), (2340, 9060308), (2357, 8994960), (2418, 8768040), (2480, 8548839), (2790, 7598968), (2883, 7353840), (3120, 6795231), (3224, 6576030), (3627, 5845360), (3720, 5699226), (3844, 5515380), (4030, 5260824), (4464, 4749355), (4680, 4530154), (4714, 4497480), (4805, 4412304), (4836, 4384020), (5580, 3799484), (5766, 3676920), (6045, 3507216), (6448, 3288015), (7071, 2998320), (7254, 2922680), (7440, 2849613), (7688, 2757690), (8060, 2630412), (8649, 2451280), (9360, 2265077), (9428, 2248740), (9610, 2206152), (9672, 2192010), (11160, 1899742), (11532, 1838460), (11785, 1798992), (12090, 1753608), (12493, 1697040), (14142, 1499160), (14415, 1470768), (14508, 1461340), (15376, 1378845), (16120, 1315206), (17298, 1225640), (18135, 1169072), (18856, 1124370), (19220, 1103076), (19344, 1096005), (21213, 999440), (22320, 949871), (23064, 919230), (23570, 899496), (24180, 876804), (24986, 848520), (28284, 749580), (28830, 735384), (29016, 730670), (30641, 691920), (32240, 657603), (34596, 612820), (35355, 599664), (36270, 584536), (37479, 565680), (37712, 562185), (38440, 551538), (42426, 499720), (43245, 490256), (46128, 459615), (47140, 449748), (48360, 438402), (49972, 424260), (56568, 374790), (57660, 367692), (58032, 365335), (61282, 345960), (62465, 339408), (69192, 306410), (70710, 299832), (72540, 292268), (73067, 290160), (74958, 282840), (76880, 275769), (84852, 249860), (86490, 245128), (91923, 230640), (94280, 224874), (96720, 219201), (99944, 212130), (106065, 199888), (112437, 188560), (113136, 187395), (115320, 183846), (122564, 172980), (124930, 169704), (138384, 153205), (141420, 149916), (145080, 146134)]