15571440

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{89}}^1$

素因数の和:123

約数の個数: 160

約数和(自身を含む): 54907200

約数和(自身を除く): 39335760

約数列:

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

約数ペア:

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