81754560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28387}}^1$

素因数の和:28410

約数の個数: 84

約数和(自身を含む): 281211528

約数和(自身を除く): 199456968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 28387, 56774, 85161, 113548, 141935, 170322, 227096, 255483, 283870, 340644, 425805, 454192, 510966, 567740, 681288, 851610, 908384, 1021932, 1135480, 1277415, 1362576, 1703220, 1816768, 2043864, 2270960, 2554830, 2725152, 3406440, 4087728, 4541920, 5109660, 5450304, 6812880, 8175456, 9083840, 10219320, 13625760, 16350912, 20438640, 27251520, 40877280, 81754560]

約数ペア:

[(1, 81754560), (2, 40877280), (3, 27251520), (4, 20438640), (5, 16350912), (6, 13625760), (8, 10219320), (9, 9083840), (10, 8175456), (12, 6812880), (15, 5450304), (16, 5109660), (18, 4541920), (20, 4087728), (24, 3406440), (30, 2725152), (32, 2554830), (36, 2270960), (40, 2043864), (45, 1816768), (48, 1703220), (60, 1362576), (64, 1277415), (72, 1135480), (80, 1021932), (90, 908384), (96, 851610), (120, 681288), (144, 567740), (160, 510966), (180, 454192), (192, 425805), (240, 340644), (288, 283870), (320, 255483), (360, 227096), (480, 170322), (576, 141935), (720, 113548), (960, 85161), (1440, 56774), (2880, 28387)]