205513140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:454

約数の個数: 192

約数和(自身を含む): 696729600

約数和(自身を除く): 491216460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 47, 58, 60, 70, 84, 87, 94, 105, 116, 140, 141, 145, 174, 188, 203, 210, 235, 282, 290, 329, 348, 359, 406, 420, 435, 470, 564, 580, 609, 658, 705, 718, 812, 870, 940, 987, 1015, 1077, 1218, 1316, 1363, 1410, 1436, 1645, 1740, 1795, 1974, 2030, 2154, 2436, 2513, 2726, 2820, 3045, 3290, 3590, 3948, 4060, 4089, 4308, 4935, 5026, 5385, 5452, 6090, 6580, 6815, 7180, 7539, 8178, 9541, 9870, 10052, 10411, 10770, 12180, 12565, 13630, 15078, 16356, 16873, 19082, 19740, 20445, 20822, 21540, 25130, 27260, 28623, 30156, 31233, 33746, 37695, 38164, 40890, 41644, 47705, 50260, 50619, 52055, 57246, 62466, 67492, 72877, 75390, 81780, 84365, 95410, 101238, 104110, 114492, 118111, 124932, 143115, 145754, 150780, 156165, 168730, 190820, 202476, 208220, 218631, 236222, 253095, 286230, 291508, 312330, 337460, 354333, 364385, 437262, 472444, 489317, 506190, 572460, 590555, 624660, 708666, 728770, 874524, 978634, 1012380, 1093155, 1181110, 1417332, 1457540, 1467951, 1771665, 1957268, 2186310, 2362220, 2446585, 2935902, 3425219, 3543330, 4372620, 4893170, 5871804, 6850438, 7086660, 7339755, 9786340, 10275657, 13700876, 14679510, 17126095, 20551314, 29359020, 34252190, 41102628, 51378285, 68504380, 102756570, 205513140]

約数ペア:

[(1, 205513140), (2, 102756570), (3, 68504380), (4, 51378285), (5, 41102628), (6, 34252190), (7, 29359020), (10, 20551314), (12, 17126095), (14, 14679510), (15, 13700876), (20, 10275657), (21, 9786340), (28, 7339755), (29, 7086660), (30, 6850438), (35, 5871804), (42, 4893170), (47, 4372620), (58, 3543330), (60, 3425219), (70, 2935902), (84, 2446585), (87, 2362220), (94, 2186310), (105, 1957268), (116, 1771665), (140, 1467951), (141, 1457540), (145, 1417332), (174, 1181110), (188, 1093155), (203, 1012380), (210, 978634), (235, 874524), (282, 728770), (290, 708666), (329, 624660), (348, 590555), (359, 572460), (406, 506190), (420, 489317), (435, 472444), (470, 437262), (564, 364385), (580, 354333), (609, 337460), (658, 312330), (705, 291508), (718, 286230), (812, 253095), (870, 236222), (940, 218631), (987, 208220), (1015, 202476), (1077, 190820), (1218, 168730), (1316, 156165), (1363, 150780), (1410, 145754), (1436, 143115), (1645, 124932), (1740, 118111), (1795, 114492), (1974, 104110), (2030, 101238), (2154, 95410), (2436, 84365), (2513, 81780), (2726, 75390), (2820, 72877), (3045, 67492), (3290, 62466), (3590, 57246), (3948, 52055), (4060, 50619), (4089, 50260), (4308, 47705), (4935, 41644), (5026, 40890), (5385, 38164), (5452, 37695), (6090, 33746), (6580, 31233), (6815, 30156), (7180, 28623), (7539, 27260), (8178, 25130), (9541, 21540), (9870, 20822), (10052, 20445), (10411, 19740), (10770, 19082), (12180, 16873), (12565, 16356), (13630, 15078)]