19770480

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{113}}^1$

素因数の和:147

約数の個数: 160

約数和(自身を含む): 69549120

約数和(自身を除く): 49778640

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, 113, 120, 135, 144, 162, 180, 216, 226, 240, 243, 270, 324, 339, 360, 405, 432, 452, 486, 540, 565, 648, 678, 720, 729, 810, 904, 972, 1017, 1080, 1130, 1215, 1296, 1356, 1458, 1620, 1695, 1808, 1944, 2034, 2160, 2187, 2260, 2430, 2712, 2916, 3051, 3240, 3390, 3645, 3888, 4068, 4374, 4520, 4860, 5085, 5424, 5832, 6102, 6480, 6780, 7290, 8136, 8748, 9040, 9153, 9720, 10170, 10935, 11664, 12204, 13560, 14580, 15255, 16272, 17496, 18306, 19440, 20340, 21870, 24408, 27120, 27459, 29160, 30510, 34992, 36612, 40680, 43740, 45765, 48816, 54918, 58320, 61020, 73224, 81360, 82377, 87480, 91530, 109836, 122040, 137295, 146448, 164754, 174960, 183060, 219672, 244080, 247131, 274590, 329508, 366120, 411885, 439344, 494262, 549180, 659016, 732240, 823770, 988524, 1098360, 1235655, 1318032, 1647540, 1977048, 2196720, 2471310, 3295080, 3954096, 4942620, 6590160, 9885240, 19770480]

約数ペア:

[(1, 19770480), (2, 9885240), (3, 6590160), (4, 4942620), (5, 3954096), (6, 3295080), (8, 2471310), (9, 2196720), (10, 1977048), (12, 1647540), (15, 1318032), (16, 1235655), (18, 1098360), (20, 988524), (24, 823770), (27, 732240), (30, 659016), (36, 549180), (40, 494262), (45, 439344), (48, 411885), (54, 366120), (60, 329508), (72, 274590), (80, 247131), (81, 244080), (90, 219672), (108, 183060), (113, 174960), (120, 164754), (135, 146448), (144, 137295), (162, 122040), (180, 109836), (216, 91530), (226, 87480), (240, 82377), (243, 81360), (270, 73224), (324, 61020), (339, 58320), (360, 54918), (405, 48816), (432, 45765), (452, 43740), (486, 40680), (540, 36612), (565, 34992), (648, 30510), (678, 29160), (720, 27459), (729, 27120), (810, 24408), (904, 21870), (972, 20340), (1017, 19440), (1080, 18306), (1130, 17496), (1215, 16272), (1296, 15255), (1356, 14580), (1458, 13560), (1620, 12204), (1695, 11664), (1808, 10935), (1944, 10170), (2034, 9720), (2160, 9153), (2187, 9040), (2260, 8748), (2430, 8136), (2712, 7290), (2916, 6780), (3051, 6480), (3240, 6102), (3390, 5832), (3645, 5424), (3888, 5085), (4068, 4860), (4374, 4520)]