157195520

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{967}}^1$

素因数の和:1115

約数の個数: 72

約数和(自身を含む): 379889664

約数和(自身を除く): 222694144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 967, 1016, 1270, 1280, 1934, 2032, 2540, 3868, 4064, 4835, 5080, 7736, 8128, 9670, 10160, 15472, 16256, 19340, 20320, 30944, 32512, 38680, 40640, 61888, 77360, 81280, 122809, 123776, 154720, 162560, 245618, 247552, 309440, 491236, 614045, 618880, 982472, 1228090, 1237760, 1964944, 2456180, 3929888, 4912360, 7859776, 9824720, 15719552, 19649440, 31439104, 39298880, 78597760, 157195520]

約数ペア:

[(1, 157195520), (2, 78597760), (4, 39298880), (5, 31439104), (8, 19649440), (10, 15719552), (16, 9824720), (20, 7859776), (32, 4912360), (40, 3929888), (64, 2456180), (80, 1964944), (127, 1237760), (128, 1228090), (160, 982472), (254, 618880), (256, 614045), (320, 491236), (508, 309440), (635, 247552), (640, 245618), (967, 162560), (1016, 154720), (1270, 123776), (1280, 122809), (1934, 81280), (2032, 77360), (2540, 61888), (3868, 40640), (4064, 38680), (4835, 32512), (5080, 30944), (7736, 20320), (8128, 19340), (9670, 16256), (10160, 15472)]