20872001520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{80749}}^1$

素因数の和:81127

約数の個数: 120

約数和(自身を含む): 70291260000

約数和(自身を除く): 49419258480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 359, 360, 718, 720, 1077, 1436, 1795, 2154, 2872, 3231, 3590, 4308, 5385, 5744, 6462, 7180, 8616, 10770, 12924, 14360, 16155, 17232, 21540, 25848, 28720, 32310, 43080, 51696, 64620, 80749, 86160, 129240, 161498, 242247, 258480, 322996, 403745, 484494, 645992, 726741, 807490, 968988, 1211235, 1291984, 1453482, 1614980, 1937976, 2422470, 2906964, 3229960, 3633705, 3875952, 4844940, 5813928, 6459920, 7267410, 9689880, 11627856, 14534820, 19379760, 28988891, 29069640, 57977782, 58139280, 86966673, 115955564, 144944455, 173933346, 231911128, 260900019, 289888910, 347866692, 434833365, 463822256, 521800038, 579777820, 695733384, 869666730, 1043600076, 1159555640, 1304500095, 1391466768, 1739333460, 2087200152, 2319111280, 2609000190, 3478666920, 4174400304, 5218000380, 6957333840, 10436000760, 20872001520]

約数ペア:

[(1, 20872001520), (2, 10436000760), (3, 6957333840), (4, 5218000380), (5, 4174400304), (6, 3478666920), (8, 2609000190), (9, 2319111280), (10, 2087200152), (12, 1739333460), (15, 1391466768), (16, 1304500095), (18, 1159555640), (20, 1043600076), (24, 869666730), (30, 695733384), (36, 579777820), (40, 521800038), (45, 463822256), (48, 434833365), (60, 347866692), (72, 289888910), (80, 260900019), (90, 231911128), (120, 173933346), (144, 144944455), (180, 115955564), (240, 86966673), (359, 58139280), (360, 57977782), (718, 29069640), (720, 28988891), (1077, 19379760), (1436, 14534820), (1795, 11627856), (2154, 9689880), (2872, 7267410), (3231, 6459920), (3590, 5813928), (4308, 4844940), (5385, 3875952), (5744, 3633705), (6462, 3229960), (7180, 2906964), (8616, 2422470), (10770, 1937976), (12924, 1614980), (14360, 1453482), (16155, 1291984), (17232, 1211235), (21540, 968988), (25848, 807490), (28720, 726741), (32310, 645992), (43080, 484494), (51696, 403745), (64620, 322996), (80749, 258480), (86160, 242247), (129240, 161498)]