31681152

素因数分解:

$2^7\times 3^3\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 95472000

約数和(自身を除く): 63790848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 89, 96, 103, 108, 128, 144, 178, 192, 206, 216, 267, 288, 309, 356, 384, 412, 432, 534, 576, 618, 712, 801, 824, 864, 927, 1068, 1152, 1236, 1424, 1602, 1648, 1728, 1854, 2136, 2403, 2472, 2781, 2848, 3204, 3296, 3456, 3708, 4272, 4806, 4944, 5562, 5696, 6408, 6592, 7416, 8544, 9167, 9612, 9888, 11124, 11392, 12816, 13184, 14832, 17088, 18334, 19224, 19776, 22248, 25632, 27501, 29664, 34176, 36668, 38448, 39552, 44496, 51264, 55002, 59328, 73336, 76896, 82503, 88992, 102528, 110004, 118656, 146672, 153792, 165006, 177984, 220008, 247509, 293344, 307584, 330012, 355968, 440016, 495018, 586688, 660024, 880032, 990036, 1173376, 1320048, 1760064, 1980072, 2640096, 3520128, 3960144, 5280192, 7920288, 10560384, 15840576, 31681152]

約数ペア:

[(1, 31681152), (2, 15840576), (3, 10560384), (4, 7920288), (6, 5280192), (8, 3960144), (9, 3520128), (12, 2640096), (16, 1980072), (18, 1760064), (24, 1320048), (27, 1173376), (32, 990036), (36, 880032), (48, 660024), (54, 586688), (64, 495018), (72, 440016), (89, 355968), (96, 330012), (103, 307584), (108, 293344), (128, 247509), (144, 220008), (178, 177984), (192, 165006), (206, 153792), (216, 146672), (267, 118656), (288, 110004), (309, 102528), (356, 88992), (384, 82503), (412, 76896), (432, 73336), (534, 59328), (576, 55002), (618, 51264), (712, 44496), (801, 39552), (824, 38448), (864, 36668), (927, 34176), (1068, 29664), (1152, 27501), (1236, 25632), (1424, 22248), (1602, 19776), (1648, 19224), (1728, 18334), (1854, 17088), (2136, 14832), (2403, 13184), (2472, 12816), (2781, 11392), (2848, 11124), (3204, 9888), (3296, 9612), (3456, 9167), (3708, 8544), (4272, 7416), (4806, 6592), (4944, 6408), (5562, 5696)]