805430640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{68489}}^1$

素因数の和:68519

約数の個数: 120

約数和(自身を含む): 2904523920

約数和(自身を除く): 2099093280

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 68489, 136978, 205467, 273956, 342445, 410934, 479423, 547912, 684890, 821868, 958846, 1027335, 1095824, 1369780, 1438269, 1643736, 1917692, 2054670, 2397115, 2739560, 2876538, 3287472, 3355961, 3835384, 4109340, 4794230, 5479120, 5753076, 6711922, 7191345, 7670768, 8218680, 9588460, 10067883, 11506152, 13423844, 14382690, 16437360, 16779805, 19176920, 20135766, 23012304, 26847688, 28765380, 33559610, 38353840, 40271532, 50339415, 53695376, 57530760, 67119220, 80543064, 100678830, 115061520, 134238440, 161086128, 201357660, 268476880, 402715320, 805430640]

約数ペア:

[(1, 805430640), (2, 402715320), (3, 268476880), (4, 201357660), (5, 161086128), (6, 134238440), (7, 115061520), (8, 100678830), (10, 80543064), (12, 67119220), (14, 57530760), (15, 53695376), (16, 50339415), (20, 40271532), (21, 38353840), (24, 33559610), (28, 28765380), (30, 26847688), (35, 23012304), (40, 20135766), (42, 19176920), (48, 16779805), (49, 16437360), (56, 14382690), (60, 13423844), (70, 11506152), (80, 10067883), (84, 9588460), (98, 8218680), (105, 7670768), (112, 7191345), (120, 6711922), (140, 5753076), (147, 5479120), (168, 4794230), (196, 4109340), (210, 3835384), (240, 3355961), (245, 3287472), (280, 2876538), (294, 2739560), (336, 2397115), (392, 2054670), (420, 1917692), (490, 1643736), (560, 1438269), (588, 1369780), (735, 1095824), (784, 1027335), (840, 958846), (980, 821868), (1176, 684890), (1470, 547912), (1680, 479423), (1960, 410934), (2352, 342445), (2940, 273956), (3920, 205467), (5880, 136978), (11760, 68489)]