72795520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{16249}}^1$

素因数の和:16275

約数の個数: 64

約数和(自身を含む): 198900000

約数和(自身を除く): 126104480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 16249, 32498, 64996, 81245, 113743, 129992, 162490, 227486, 259984, 324980, 454972, 519968, 568715, 649960, 909944, 1039936, 1137430, 1299920, 1819888, 2079872, 2274860, 2599840, 3639776, 4549720, 5199680, 7279552, 9099440, 10399360, 14559104, 18198880, 36397760, 72795520]

約数ペア:

[(1, 72795520), (2, 36397760), (4, 18198880), (5, 14559104), (7, 10399360), (8, 9099440), (10, 7279552), (14, 5199680), (16, 4549720), (20, 3639776), (28, 2599840), (32, 2274860), (35, 2079872), (40, 1819888), (56, 1299920), (64, 1137430), (70, 1039936), (80, 909944), (112, 649960), (128, 568715), (140, 519968), (160, 454972), (224, 324980), (280, 259984), (320, 227486), (448, 162490), (560, 129992), (640, 113743), (896, 81245), (1120, 64996), (2240, 32498), (4480, 16249)]