7785720

素因数分解:

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

素因数の和:121

約数の個数: 128

約数和(自身を含む): 26568000

約数和(自身を除く): 18782280

約数列:

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

約数ペア:

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