81445584

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:449

約数の個数: 120

約数和(自身を含む): 238144480

約数和(自身を除く): 156698896

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 37, 44, 48, 66, 74, 88, 111, 121, 132, 148, 176, 222, 242, 264, 296, 363, 379, 407, 444, 484, 528, 592, 726, 758, 814, 888, 968, 1137, 1221, 1452, 1516, 1628, 1776, 1936, 2274, 2442, 2904, 3032, 3256, 4169, 4477, 4548, 4884, 5808, 6064, 6512, 8338, 8954, 9096, 9768, 12507, 13431, 14023, 16676, 17908, 18192, 19536, 25014, 26862, 28046, 33352, 35816, 42069, 45859, 50028, 53724, 56092, 66704, 71632, 84138, 91718, 100056, 107448, 112184, 137577, 154253, 168276, 183436, 200112, 214896, 224368, 275154, 308506, 336552, 366872, 462759, 550308, 617012, 673104, 733744, 925518, 1100616, 1234024, 1696783, 1851036, 2201232, 2468048, 3393566, 3702072, 5090349, 6787132, 7404144, 10180698, 13574264, 20361396, 27148528, 40722792, 81445584]

約数ペア:

[(1, 81445584), (2, 40722792), (3, 27148528), (4, 20361396), (6, 13574264), (8, 10180698), (11, 7404144), (12, 6787132), (16, 5090349), (22, 3702072), (24, 3393566), (33, 2468048), (37, 2201232), (44, 1851036), (48, 1696783), (66, 1234024), (74, 1100616), (88, 925518), (111, 733744), (121, 673104), (132, 617012), (148, 550308), (176, 462759), (222, 366872), (242, 336552), (264, 308506), (296, 275154), (363, 224368), (379, 214896), (407, 200112), (444, 183436), (484, 168276), (528, 154253), (592, 137577), (726, 112184), (758, 107448), (814, 100056), (888, 91718), (968, 84138), (1137, 71632), (1221, 66704), (1452, 56092), (1516, 53724), (1628, 50028), (1776, 45859), (1936, 42069), (2274, 35816), (2442, 33352), (2904, 28046), (3032, 26862), (3256, 25014), (4169, 19536), (4477, 18192), (4548, 17908), (4884, 16676), (5808, 14023), (6064, 13431), (6512, 12507), (8338, 9768), (8954, 9096)]