420156720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{21613}}^1$

素因数の和:21641

約数の個数: 120

約数和(自身を含む): 1463354256

約数和(自身を除く): 1043197536

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, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 21613, 43226, 64839, 86452, 108065, 129678, 172904, 194517, 216130, 259356, 324195, 345808, 389034, 432260, 518712, 583551, 648390, 778068, 864520, 972585, 1037424, 1167102, 1296780, 1556136, 1729040, 1750653, 1945170, 2334204, 2593560, 2917755, 3112272, 3501306, 3890340, 4668408, 5187120, 5251959, 5835510, 7002612, 7780680, 8753265, 9336816, 10503918, 11671020, 14005224, 15561360, 17506530, 21007836, 23342040, 26259795, 28010448, 35013060, 42015672, 46684080, 52519590, 70026120, 84031344, 105039180, 140052240, 210078360, 420156720]

約数ペア:

[(1, 420156720), (2, 210078360), (3, 140052240), (4, 105039180), (5, 84031344), (6, 70026120), (8, 52519590), (9, 46684080), (10, 42015672), (12, 35013060), (15, 28010448), (16, 26259795), (18, 23342040), (20, 21007836), (24, 17506530), (27, 15561360), (30, 14005224), (36, 11671020), (40, 10503918), (45, 9336816), (48, 8753265), (54, 7780680), (60, 7002612), (72, 5835510), (80, 5251959), (81, 5187120), (90, 4668408), (108, 3890340), (120, 3501306), (135, 3112272), (144, 2917755), (162, 2593560), (180, 2334204), (216, 1945170), (240, 1750653), (243, 1729040), (270, 1556136), (324, 1296780), (360, 1167102), (405, 1037424), (432, 972585), (486, 864520), (540, 778068), (648, 648390), (720, 583551), (810, 518712), (972, 432260), (1080, 389034), (1215, 345808), (1296, 324195), (1620, 259356), (1944, 216130), (2160, 194517), (2430, 172904), (3240, 129678), (3888, 108065), (4860, 86452), (6480, 64839), (9720, 43226), (19440, 21613)]