161046540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3907}}^1$

素因数の和:4151

約数の個数: 72

約数和(自身を含む): 490766640

約数和(自身を除く): 329720100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2290, 2748, 3435, 3907, 4122, 4580, 6870, 7814, 8244, 10305, 11721, 13740, 15628, 19535, 20610, 23442, 35163, 39070, 41220, 46884, 58605, 70326, 78140, 117210, 140652, 175815, 234420, 351630, 703260, 894703, 1789406, 2684109, 3578812, 4473515, 5368218, 8052327, 8947030, 10736436, 13420545, 16104654, 17894060, 26841090, 32209308, 40261635, 53682180, 80523270, 161046540]

約数ペア:

[(1, 161046540), (2, 80523270), (3, 53682180), (4, 40261635), (5, 32209308), (6, 26841090), (9, 17894060), (10, 16104654), (12, 13420545), (15, 10736436), (18, 8947030), (20, 8052327), (30, 5368218), (36, 4473515), (45, 3578812), (60, 2684109), (90, 1789406), (180, 894703), (229, 703260), (458, 351630), (687, 234420), (916, 175815), (1145, 140652), (1374, 117210), (2061, 78140), (2290, 70326), (2748, 58605), (3435, 46884), (3907, 41220), (4122, 39070), (4580, 35163), (6870, 23442), (7814, 20610), (8244, 19535), (10305, 15628), (11721, 13740)]