157423360

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6473}}^1$

素因数の和:6513

約数の個数: 72

約数和(自身を含む): 396985680

約数和(自身を除く): 239562320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 6473, 12160, 12946, 24320, 25892, 32365, 51784, 64730, 103568, 122987, 129460, 207136, 245974, 258920, 414272, 491948, 517840, 614935, 828544, 983896, 1035680, 1229870, 1657088, 1967792, 2071360, 2459740, 3935584, 4142720, 4919480, 7871168, 8285440, 9838960, 15742336, 19677920, 31484672, 39355840, 78711680, 157423360]

約数ペア:

[(1, 157423360), (2, 78711680), (4, 39355840), (5, 31484672), (8, 19677920), (10, 15742336), (16, 9838960), (19, 8285440), (20, 7871168), (32, 4919480), (38, 4142720), (40, 3935584), (64, 2459740), (76, 2071360), (80, 1967792), (95, 1657088), (128, 1229870), (152, 1035680), (160, 983896), (190, 828544), (256, 614935), (304, 517840), (320, 491948), (380, 414272), (608, 258920), (640, 245974), (760, 207136), (1216, 129460), (1280, 122987), (1520, 103568), (2432, 64730), (3040, 51784), (4864, 32365), (6080, 25892), (6473, 24320), (12160, 12946)]