155407360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 88

約数和(自身を含む): 377303040

約数和(自身を除く): 221895680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 239, 254, 256, 320, 478, 508, 512, 635, 640, 956, 1016, 1024, 1195, 1270, 1280, 1912, 2032, 2390, 2540, 2560, 3824, 4064, 4780, 5080, 5120, 7648, 8128, 9560, 10160, 15296, 16256, 19120, 20320, 30353, 30592, 32512, 38240, 40640, 60706, 61184, 65024, 76480, 81280, 121412, 122368, 130048, 151765, 152960, 162560, 242824, 244736, 303530, 305920, 325120, 485648, 607060, 611840, 650240, 971296, 1214120, 1223680, 1942592, 2428240, 3885184, 4856480, 7770368, 9712960, 15540736, 19425920, 31081472, 38851840, 77703680, 155407360]

約数ペア:

[(1, 155407360), (2, 77703680), (4, 38851840), (5, 31081472), (8, 19425920), (10, 15540736), (16, 9712960), (20, 7770368), (32, 4856480), (40, 3885184), (64, 2428240), (80, 1942592), (127, 1223680), (128, 1214120), (160, 971296), (239, 650240), (254, 611840), (256, 607060), (320, 485648), (478, 325120), (508, 305920), (512, 303530), (635, 244736), (640, 242824), (956, 162560), (1016, 152960), (1024, 151765), (1195, 130048), (1270, 122368), (1280, 121412), (1912, 81280), (2032, 76480), (2390, 65024), (2540, 61184), (2560, 60706), (3824, 40640), (4064, 38240), (4780, 32512), (5080, 30592), (5120, 30353), (7648, 20320), (8128, 19120), (9560, 16256), (10160, 15296)]