129397760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 88

約数和(自身を含む): 314419200

約数和(自身を除く): 185021440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 199, 254, 256, 320, 398, 508, 512, 635, 640, 796, 995, 1016, 1024, 1270, 1280, 1592, 1990, 2032, 2540, 2560, 3184, 3980, 4064, 5080, 5120, 6368, 7960, 8128, 10160, 12736, 15920, 16256, 20320, 25273, 25472, 31840, 32512, 40640, 50546, 50944, 63680, 65024, 81280, 101092, 101888, 126365, 127360, 130048, 162560, 202184, 203776, 252730, 254720, 325120, 404368, 505460, 509440, 650240, 808736, 1010920, 1018880, 1617472, 2021840, 3234944, 4043680, 6469888, 8087360, 12939776, 16174720, 25879552, 32349440, 64698880, 129397760]

約数ペア:

[(1, 129397760), (2, 64698880), (4, 32349440), (5, 25879552), (8, 16174720), (10, 12939776), (16, 8087360), (20, 6469888), (32, 4043680), (40, 3234944), (64, 2021840), (80, 1617472), (127, 1018880), (128, 1010920), (160, 808736), (199, 650240), (254, 509440), (256, 505460), (320, 404368), (398, 325120), (508, 254720), (512, 252730), (635, 203776), (640, 202184), (796, 162560), (995, 130048), (1016, 127360), (1024, 126365), (1270, 101888), (1280, 101092), (1592, 81280), (1990, 65024), (2032, 63680), (2540, 50944), (2560, 50546), (3184, 40640), (3980, 32512), (4064, 31840), (5080, 25472), (5120, 25273), (6368, 20320), (7960, 16256), (8128, 15920), (10160, 12736)]