31142880

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 111585600

約数和(自身を除く): 80442720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 89, 90, 96, 108, 120, 135, 144, 160, 162, 178, 180, 216, 240, 243, 267, 270, 288, 324, 356, 360, 405, 432, 445, 480, 486, 534, 540, 648, 712, 720, 729, 801, 810, 864, 890, 972, 1068, 1080, 1215, 1296, 1335, 1424, 1440, 1458, 1602, 1620, 1780, 1944, 2136, 2160, 2187, 2403, 2430, 2592, 2670, 2848, 2916, 3204, 3240, 3560, 3645, 3888, 4005, 4272, 4320, 4374, 4806, 4860, 5340, 5832, 6408, 6480, 7120, 7209, 7290, 7776, 8010, 8544, 8748, 9612, 9720, 10680, 10935, 11664, 12015, 12816, 12960, 14240, 14418, 14580, 16020, 17496, 19224, 19440, 21360, 21627, 21870, 23328, 24030, 25632, 28836, 29160, 32040, 34992, 36045, 38448, 38880, 42720, 43254, 43740, 48060, 57672, 58320, 64080, 64881, 69984, 72090, 76896, 86508, 87480, 96120, 108135, 115344, 116640, 128160, 129762, 144180, 173016, 174960, 192240, 194643, 216270, 230688, 259524, 288360, 324405, 346032, 349920, 384480, 389286, 432540, 519048, 576720, 648810, 692064, 778572, 865080, 973215, 1038096, 1153440, 1297620, 1557144, 1730160, 1946430, 2076192, 2595240, 3114288, 3460320, 3892860, 5190480, 6228576, 7785720, 10380960, 15571440, 31142880]

約数ペア:

[(1, 31142880), (2, 15571440), (3, 10380960), (4, 7785720), (5, 6228576), (6, 5190480), (8, 3892860), (9, 3460320), (10, 3114288), (12, 2595240), (15, 2076192), (16, 1946430), (18, 1730160), (20, 1557144), (24, 1297620), (27, 1153440), (30, 1038096), (32, 973215), (36, 865080), (40, 778572), (45, 692064), (48, 648810), (54, 576720), (60, 519048), (72, 432540), (80, 389286), (81, 384480), (89, 349920), (90, 346032), (96, 324405), (108, 288360), (120, 259524), (135, 230688), (144, 216270), (160, 194643), (162, 192240), (178, 174960), (180, 173016), (216, 144180), (240, 129762), (243, 128160), (267, 116640), (270, 115344), (288, 108135), (324, 96120), (356, 87480), (360, 86508), (405, 76896), (432, 72090), (445, 69984), (480, 64881), (486, 64080), (534, 58320), (540, 57672), (648, 48060), (712, 43740), (720, 43254), (729, 42720), (801, 38880), (810, 38448), (864, 36045), (890, 34992), (972, 32040), (1068, 29160), (1080, 28836), (1215, 25632), (1296, 24030), (1335, 23328), (1424, 21870), (1440, 21627), (1458, 21360), (1602, 19440), (1620, 19224), (1780, 17496), (1944, 16020), (2136, 14580), (2160, 14418), (2187, 14240), (2403, 12960), (2430, 12816), (2592, 12015), (2670, 11664), (2848, 10935), (2916, 10680), (3204, 9720), (3240, 9612), (3560, 8748), (3645, 8544), (3888, 8010), (4005, 7776), (4272, 7290), (4320, 7209), (4374, 7120), (4806, 6480), (4860, 6408), (5340, 5832)]