157845760

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1119

約数の個数: 72

約数和(自身を含む): 381459456

約数和(自身を除く): 223613696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 971, 1016, 1270, 1280, 1942, 2032, 2540, 3884, 4064, 4855, 5080, 7768, 8128, 9710, 10160, 15536, 16256, 19420, 20320, 31072, 32512, 38840, 40640, 62144, 77680, 81280, 123317, 124288, 155360, 162560, 246634, 248576, 310720, 493268, 616585, 621440, 986536, 1233170, 1242880, 1973072, 2466340, 3946144, 4932680, 7892288, 9865360, 15784576, 19730720, 31569152, 39461440, 78922880, 157845760]

約数ペア:

[(1, 157845760), (2, 78922880), (4, 39461440), (5, 31569152), (8, 19730720), (10, 15784576), (16, 9865360), (20, 7892288), (32, 4932680), (40, 3946144), (64, 2466340), (80, 1973072), (127, 1242880), (128, 1233170), (160, 986536), (254, 621440), (256, 616585), (320, 493268), (508, 310720), (635, 248576), (640, 246634), (971, 162560), (1016, 155360), (1270, 124288), (1280, 123317), (1942, 81280), (2032, 77680), (2540, 62144), (3884, 40640), (4064, 38840), (4855, 32512), (5080, 31072), (7768, 20320), (8128, 19420), (9710, 16256), (10160, 15536)]