31157600

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 84369600

約数和(自身を除く): 53212000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 29, 32, 34, 40, 50, 58, 68, 79, 80, 85, 100, 116, 136, 145, 158, 160, 170, 200, 232, 272, 290, 316, 340, 395, 400, 425, 464, 493, 544, 580, 632, 680, 725, 790, 800, 850, 928, 986, 1160, 1264, 1343, 1360, 1450, 1580, 1700, 1972, 1975, 2291, 2320, 2465, 2528, 2686, 2720, 2900, 3160, 3400, 3944, 3950, 4582, 4640, 4930, 5372, 5800, 6320, 6715, 6800, 7888, 7900, 9164, 9860, 10744, 11455, 11600, 12325, 12640, 13430, 13600, 15776, 15800, 18328, 19720, 21488, 22910, 23200, 24650, 26860, 31600, 33575, 36656, 38947, 39440, 42976, 45820, 49300, 53720, 57275, 63200, 67150, 73312, 77894, 78880, 91640, 98600, 107440, 114550, 134300, 155788, 183280, 194735, 197200, 214880, 229100, 268600, 311576, 366560, 389470, 394400, 458200, 537200, 623152, 778940, 916400, 973675, 1074400, 1246304, 1557880, 1832800, 1947350, 3115760, 3894700, 6231520, 7789400, 15578800, 31157600]

約数ペア:

[(1, 31157600), (2, 15578800), (4, 7789400), (5, 6231520), (8, 3894700), (10, 3115760), (16, 1947350), (17, 1832800), (20, 1557880), (25, 1246304), (29, 1074400), (32, 973675), (34, 916400), (40, 778940), (50, 623152), (58, 537200), (68, 458200), (79, 394400), (80, 389470), (85, 366560), (100, 311576), (116, 268600), (136, 229100), (145, 214880), (158, 197200), (160, 194735), (170, 183280), (200, 155788), (232, 134300), (272, 114550), (290, 107440), (316, 98600), (340, 91640), (395, 78880), (400, 77894), (425, 73312), (464, 67150), (493, 63200), (544, 57275), (580, 53720), (632, 49300), (680, 45820), (725, 42976), (790, 39440), (800, 38947), (850, 36656), (928, 33575), (986, 31600), (1160, 26860), (1264, 24650), (1343, 23200), (1360, 22910), (1450, 21488), (1580, 19720), (1700, 18328), (1972, 15800), (1975, 15776), (2291, 13600), (2320, 13430), (2465, 12640), (2528, 12325), (2686, 11600), (2720, 11455), (2900, 10744), (3160, 9860), (3400, 9164), (3944, 7900), (3950, 7888), (4582, 6800), (4640, 6715), (4930, 6320), (5372, 5800)]