31885280

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{83}}^1$

素因数の和:126

約数の個数: 120

約数和(自身を含む): 88937352

約数和(自身を除く): 57052072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 83, 98, 112, 140, 160, 166, 196, 224, 245, 280, 332, 343, 392, 415, 490, 560, 581, 664, 686, 784, 830, 980, 1120, 1162, 1328, 1372, 1568, 1660, 1715, 1960, 2324, 2401, 2656, 2744, 2905, 3320, 3430, 3920, 4067, 4648, 4802, 5488, 5810, 6640, 6860, 7840, 8134, 9296, 9604, 10976, 11620, 12005, 13280, 13720, 16268, 18592, 19208, 20335, 23240, 24010, 27440, 28469, 32536, 38416, 40670, 46480, 48020, 54880, 56938, 65072, 76832, 81340, 92960, 96040, 113876, 130144, 142345, 162680, 192080, 199283, 227752, 284690, 325360, 384160, 398566, 455504, 569380, 650720, 797132, 911008, 996415, 1138760, 1594264, 1992830, 2277520, 3188528, 3985660, 4555040, 6377056, 7971320, 15942640, 31885280]

約数ペア:

[(1, 31885280), (2, 15942640), (4, 7971320), (5, 6377056), (7, 4555040), (8, 3985660), (10, 3188528), (14, 2277520), (16, 1992830), (20, 1594264), (28, 1138760), (32, 996415), (35, 911008), (40, 797132), (49, 650720), (56, 569380), (70, 455504), (80, 398566), (83, 384160), (98, 325360), (112, 284690), (140, 227752), (160, 199283), (166, 192080), (196, 162680), (224, 142345), (245, 130144), (280, 113876), (332, 96040), (343, 92960), (392, 81340), (415, 76832), (490, 65072), (560, 56938), (581, 54880), (664, 48020), (686, 46480), (784, 40670), (830, 38416), (980, 32536), (1120, 28469), (1162, 27440), (1328, 24010), (1372, 23240), (1568, 20335), (1660, 19208), (1715, 18592), (1960, 16268), (2324, 13720), (2401, 13280), (2656, 12005), (2744, 11620), (2905, 10976), (3320, 9604), (3430, 9296), (3920, 8134), (4067, 7840), (4648, 6860), (4802, 6640), (5488, 5810)]