31313280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:416

約数の個数: 128

約数和(自身を含む): 102228480

約数和(自身を除く): 70915200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 235, 240, 282, 320, 347, 376, 384, 470, 480, 564, 640, 694, 705, 752, 940, 960, 1041, 1128, 1388, 1410, 1504, 1735, 1880, 1920, 2082, 2256, 2776, 2820, 3008, 3470, 3760, 4164, 4512, 5205, 5552, 5640, 6016, 6940, 7520, 8328, 9024, 10410, 11104, 11280, 13880, 15040, 16309, 16656, 18048, 20820, 22208, 22560, 27760, 30080, 32618, 33312, 41640, 44416, 45120, 48927, 55520, 65236, 66624, 81545, 83280, 90240, 97854, 111040, 130472, 133248, 163090, 166560, 195708, 222080, 244635, 260944, 326180, 333120, 391416, 489270, 521888, 652360, 666240, 782832, 978540, 1043776, 1304720, 1565664, 1957080, 2087552, 2609440, 3131328, 3914160, 5218880, 6262656, 7828320, 10437760, 15656640, 31313280]

約数ペア:

[(1, 31313280), (2, 15656640), (3, 10437760), (4, 7828320), (5, 6262656), (6, 5218880), (8, 3914160), (10, 3131328), (12, 2609440), (15, 2087552), (16, 1957080), (20, 1565664), (24, 1304720), (30, 1043776), (32, 978540), (40, 782832), (47, 666240), (48, 652360), (60, 521888), (64, 489270), (80, 391416), (94, 333120), (96, 326180), (120, 260944), (128, 244635), (141, 222080), (160, 195708), (188, 166560), (192, 163090), (235, 133248), (240, 130472), (282, 111040), (320, 97854), (347, 90240), (376, 83280), (384, 81545), (470, 66624), (480, 65236), (564, 55520), (640, 48927), (694, 45120), (705, 44416), (752, 41640), (940, 33312), (960, 32618), (1041, 30080), (1128, 27760), (1388, 22560), (1410, 22208), (1504, 20820), (1735, 18048), (1880, 16656), (1920, 16309), (2082, 15040), (2256, 13880), (2776, 11280), (2820, 11104), (3008, 10410), (3470, 9024), (3760, 8328), (4164, 7520), (4512, 6940), (5205, 6016), (5552, 5640)]