72413040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43103}}^1$

素因数の和:43126

約数の個数: 80

約数和(自身を含む): 256555008

約数和(自身を除く): 184141968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 43103, 86206, 129309, 172412, 215515, 258618, 301721, 344824, 431030, 517236, 603442, 646545, 689648, 862060, 905163, 1034472, 1206884, 1293090, 1508605, 1724120, 1810326, 2068944, 2413768, 2586180, 3017210, 3448240, 3620652, 4525815, 4827536, 5172360, 6034420, 7241304, 9051630, 10344720, 12068840, 14482608, 18103260, 24137680, 36206520, 72413040]

約数ペア:

[(1, 72413040), (2, 36206520), (3, 24137680), (4, 18103260), (5, 14482608), (6, 12068840), (7, 10344720), (8, 9051630), (10, 7241304), (12, 6034420), (14, 5172360), (15, 4827536), (16, 4525815), (20, 3620652), (21, 3448240), (24, 3017210), (28, 2586180), (30, 2413768), (35, 2068944), (40, 1810326), (42, 1724120), (48, 1508605), (56, 1293090), (60, 1206884), (70, 1034472), (80, 905163), (84, 862060), (105, 689648), (112, 646545), (120, 603442), (140, 517236), (168, 431030), (210, 344824), (240, 301721), (280, 258618), (336, 215515), (420, 172412), (560, 129309), (840, 86206), (1680, 43103)]