64673640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19961}}^1$

素因数の和:19984

約数の個数: 80

約数和(自身を含む): 217386180

約数和(自身を除く): 152712540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 19961, 39922, 59883, 79844, 99805, 119766, 159688, 179649, 199610, 239532, 299415, 359298, 399220, 479064, 538947, 598830, 718596, 798440, 898245, 1077894, 1197660, 1437192, 1616841, 1796490, 2155788, 2395320, 2694735, 3233682, 3592980, 4311576, 5389470, 6467364, 7185960, 8084205, 10778940, 12934728, 16168410, 21557880, 32336820, 64673640]

約数ペア:

[(1, 64673640), (2, 32336820), (3, 21557880), (4, 16168410), (5, 12934728), (6, 10778940), (8, 8084205), (9, 7185960), (10, 6467364), (12, 5389470), (15, 4311576), (18, 3592980), (20, 3233682), (24, 2694735), (27, 2395320), (30, 2155788), (36, 1796490), (40, 1616841), (45, 1437192), (54, 1197660), (60, 1077894), (72, 898245), (81, 798440), (90, 718596), (108, 598830), (120, 538947), (135, 479064), (162, 399220), (180, 359298), (216, 299415), (270, 239532), (324, 199610), (360, 179649), (405, 159688), (540, 119766), (648, 99805), (810, 79844), (1080, 59883), (1620, 39922), (3240, 19961)]