20515673880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{25939}}^1$

素因数の和:25995

約数の個数: 192

約数和(自身を含む): 72232524000

約数和(自身を除く): 51716850120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 676, 780, 845, 936, 1014, 1170, 1352, 1521, 1560, 1690, 2028, 2197, 2340, 2535, 3042, 3380, 4056, 4394, 4680, 5070, 6084, 6591, 6760, 7605, 8788, 10140, 10985, 12168, 13182, 15210, 17576, 19773, 20280, 21970, 25939, 26364, 30420, 32955, 39546, 43940, 51878, 52728, 60840, 65910, 77817, 79092, 87880, 98865, 103756, 129695, 131820, 155634, 158184, 197730, 207512, 233451, 259390, 263640, 311268, 337207, 389085, 395460, 466902, 518780, 622536, 674414, 778170, 790920, 933804, 1011621, 1037560, 1167255, 1348828, 1556340, 1686035, 1867608, 2023242, 2334510, 2697656, 3034863, 3112680, 3372070, 4046484, 4383691, 4669020, 5058105, 6069726, 6744140, 8092968, 8767382, 9338040, 10116210, 12139452, 13151073, 13488280, 15174315, 17534764, 20232420, 21918455, 24278904, 26302146, 30348630, 35069528, 39453219, 40464840, 43836910, 52604292, 56987983, 60697260, 65755365, 78906438, 87673820, 105208584, 113975966, 121394520, 131510730, 157812876, 170963949, 175347640, 197266095, 227951932, 263021460, 284939915, 315625752, 341927898, 394532190, 455903864, 512891847, 526042920, 569879830, 683855796, 789064380, 854819745, 1025783694, 1139759660, 1367711592, 1578128760, 1709639490, 2051567388, 2279519320, 2564459235, 3419278980, 4103134776, 5128918470, 6838557960, 10257836940, 20515673880]

約数ペア:

[(1, 20515673880), (2, 10257836940), (3, 6838557960), (4, 5128918470), (5, 4103134776), (6, 3419278980), (8, 2564459235), (9, 2279519320), (10, 2051567388), (12, 1709639490), (13, 1578128760), (15, 1367711592), (18, 1139759660), (20, 1025783694), (24, 854819745), (26, 789064380), (30, 683855796), (36, 569879830), (39, 526042920), (40, 512891847), (45, 455903864), (52, 394532190), (60, 341927898), (65, 315625752), (72, 284939915), (78, 263021460), (90, 227951932), (104, 197266095), (117, 175347640), (120, 170963949), (130, 157812876), (156, 131510730), (169, 121394520), (180, 113975966), (195, 105208584), (234, 87673820), (260, 78906438), (312, 65755365), (338, 60697260), (360, 56987983), (390, 52604292), (468, 43836910), (507, 40464840), (520, 39453219), (585, 35069528), (676, 30348630), (780, 26302146), (845, 24278904), (936, 21918455), (1014, 20232420), (1170, 17534764), (1352, 15174315), (1521, 13488280), (1560, 13151073), (1690, 12139452), (2028, 10116210), (2197, 9338040), (2340, 8767382), (2535, 8092968), (3042, 6744140), (3380, 6069726), (4056, 5058105), (4394, 4669020), (4680, 4383691), (5070, 4046484), (6084, 3372070), (6591, 3112680), (6760, 3034863), (7605, 2697656), (8788, 2334510), (10140, 2023242), (10985, 1867608), (12168, 1686035), (13182, 1556340), (15210, 1348828), (17576, 1167255), (19773, 1037560), (20280, 1011621), (21970, 933804), (25939, 790920), (26364, 778170), (30420, 674414), (32955, 622536), (39546, 518780), (43940, 466902), (51878, 395460), (52728, 389085), (60840, 337207), (65910, 311268), (77817, 263640), (79092, 259390), (87880, 233451), (98865, 207512), (103756, 197730), (129695, 158184), (131820, 155634)]