137438560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 385566048

約数和(自身を除く): 248127488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 70, 73, 80, 82, 112, 140, 146, 160, 164, 205, 224, 280, 287, 292, 328, 365, 410, 511, 560, 574, 584, 656, 730, 820, 1022, 1120, 1148, 1168, 1312, 1435, 1460, 1640, 1681, 2044, 2296, 2336, 2555, 2870, 2920, 2993, 3280, 3362, 4088, 4592, 5110, 5740, 5840, 5986, 6560, 6724, 8176, 8405, 9184, 10220, 11480, 11680, 11767, 11972, 13448, 14965, 16352, 16810, 20440, 20951, 22960, 23534, 23944, 26896, 29930, 33620, 40880, 41902, 45920, 47068, 47888, 53792, 58835, 59860, 67240, 81760, 83804, 94136, 95776, 104755, 117670, 119720, 122713, 134480, 167608, 188272, 209510, 235340, 239440, 245426, 268960, 335216, 376544, 419020, 470680, 478880, 490852, 613565, 670432, 838040, 858991, 941360, 981704, 1227130, 1676080, 1717982, 1882720, 1963408, 2454260, 3352160, 3435964, 3926816, 4294955, 4908520, 6871928, 8589910, 9817040, 13743856, 17179820, 19634080, 27487712, 34359640, 68719280, 137438560]

約数ペア:

[(1, 137438560), (2, 68719280), (4, 34359640), (5, 27487712), (7, 19634080), (8, 17179820), (10, 13743856), (14, 9817040), (16, 8589910), (20, 6871928), (28, 4908520), (32, 4294955), (35, 3926816), (40, 3435964), (41, 3352160), (56, 2454260), (70, 1963408), (73, 1882720), (80, 1717982), (82, 1676080), (112, 1227130), (140, 981704), (146, 941360), (160, 858991), (164, 838040), (205, 670432), (224, 613565), (280, 490852), (287, 478880), (292, 470680), (328, 419020), (365, 376544), (410, 335216), (511, 268960), (560, 245426), (574, 239440), (584, 235340), (656, 209510), (730, 188272), (820, 167608), (1022, 134480), (1120, 122713), (1148, 119720), (1168, 117670), (1312, 104755), (1435, 95776), (1460, 94136), (1640, 83804), (1681, 81760), (2044, 67240), (2296, 59860), (2336, 58835), (2555, 53792), (2870, 47888), (2920, 47068), (2993, 45920), (3280, 41902), (3362, 40880), (4088, 33620), (4592, 29930), (5110, 26896), (5740, 23944), (5840, 23534), (5986, 22960), (6560, 20951), (6724, 20440), (8176, 16810), (8405, 16352), (9184, 14965), (10220, 13448), (11480, 11972), (11680, 11767)]