80760640

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:432

約数の個数: 112

約数和(自身を含む): 208483200

約数和(自身を除く): 127722560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 148, 152, 160, 185, 190, 296, 304, 320, 359, 370, 380, 592, 608, 703, 718, 740, 760, 1184, 1216, 1406, 1436, 1480, 1520, 1795, 2368, 2812, 2872, 2960, 3040, 3515, 3590, 5624, 5744, 5920, 6080, 6821, 7030, 7180, 11248, 11488, 11840, 13283, 13642, 14060, 14360, 22496, 22976, 26566, 27284, 28120, 28720, 34105, 44992, 53132, 54568, 56240, 57440, 66415, 68210, 106264, 109136, 112480, 114880, 132830, 136420, 212528, 218272, 224960, 252377, 265660, 272840, 425056, 436544, 504754, 531320, 545680, 850112, 1009508, 1062640, 1091360, 1261885, 2019016, 2125280, 2182720, 2523770, 4038032, 4250560, 5047540, 8076064, 10095080, 16152128, 20190160, 40380320, 80760640]

約数ペア:

[(1, 80760640), (2, 40380320), (4, 20190160), (5, 16152128), (8, 10095080), (10, 8076064), (16, 5047540), (19, 4250560), (20, 4038032), (32, 2523770), (37, 2182720), (38, 2125280), (40, 2019016), (64, 1261885), (74, 1091360), (76, 1062640), (80, 1009508), (95, 850112), (148, 545680), (152, 531320), (160, 504754), (185, 436544), (190, 425056), (296, 272840), (304, 265660), (320, 252377), (359, 224960), (370, 218272), (380, 212528), (592, 136420), (608, 132830), (703, 114880), (718, 112480), (740, 109136), (760, 106264), (1184, 68210), (1216, 66415), (1406, 57440), (1436, 56240), (1480, 54568), (1520, 53132), (1795, 44992), (2368, 34105), (2812, 28720), (2872, 28120), (2960, 27284), (3040, 26566), (3515, 22976), (3590, 22496), (5624, 14360), (5744, 14060), (5920, 13642), (6080, 13283), (6821, 11840), (7030, 11488), (7180, 11248)]