81491520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7717}}^1$

素因数の和:7748

約数の個数: 112

約数和(自身を含む): 282293568

約数和(自身を除く): 200802048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 2112, 2640, 3520, 5280, 7717, 10560, 15434, 23151, 30868, 38585, 46302, 61736, 77170, 84887, 92604, 115755, 123472, 154340, 169774, 185208, 231510, 246944, 254661, 308680, 339548, 370416, 424435, 463020, 493888, 509322, 617360, 679096, 740832, 848870, 926040, 1018644, 1234720, 1273305, 1358192, 1481664, 1697740, 1852080, 2037288, 2469440, 2546610, 2716384, 3395480, 3704160, 4074576, 5093220, 5432768, 6790960, 7408320, 8149152, 10186440, 13581920, 16298304, 20372880, 27163840, 40745760, 81491520]

約数ペア:

[(1, 81491520), (2, 40745760), (3, 27163840), (4, 20372880), (5, 16298304), (6, 13581920), (8, 10186440), (10, 8149152), (11, 7408320), (12, 6790960), (15, 5432768), (16, 5093220), (20, 4074576), (22, 3704160), (24, 3395480), (30, 2716384), (32, 2546610), (33, 2469440), (40, 2037288), (44, 1852080), (48, 1697740), (55, 1481664), (60, 1358192), (64, 1273305), (66, 1234720), (80, 1018644), (88, 926040), (96, 848870), (110, 740832), (120, 679096), (132, 617360), (160, 509322), (165, 493888), (176, 463020), (192, 424435), (220, 370416), (240, 339548), (264, 308680), (320, 254661), (330, 246944), (352, 231510), (440, 185208), (480, 169774), (528, 154340), (660, 123472), (704, 115755), (880, 92604), (960, 84887), (1056, 77170), (1320, 61736), (1760, 46302), (2112, 38585), (2640, 30868), (3520, 23151), (5280, 15434), (7717, 10560)]