131963580

素因数分解:

$2^2\times 3^7\times 5^1\times 7^1\times {\mathrm{431}}^1$

素因数の和:468

約数の個数: 192

約数和(自身を含む): 476098560

約数和(自身を除く): 344134980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 431, 486, 540, 567, 630, 729, 756, 810, 862, 945, 972, 1134, 1215, 1260, 1293, 1458, 1620, 1701, 1724, 1890, 2155, 2187, 2268, 2430, 2586, 2835, 2916, 3017, 3402, 3645, 3780, 3879, 4310, 4374, 4860, 5103, 5172, 5670, 6034, 6465, 6804, 7290, 7758, 8505, 8620, 8748, 9051, 10206, 10935, 11340, 11637, 12068, 12930, 14580, 15085, 15309, 15516, 17010, 18102, 19395, 20412, 21870, 23274, 25515, 25860, 27153, 30170, 30618, 34020, 34911, 36204, 38790, 43740, 45255, 46548, 51030, 54306, 58185, 60340, 61236, 69822, 76545, 77580, 81459, 90510, 102060, 104733, 108612, 116370, 135765, 139644, 153090, 162918, 174555, 181020, 209466, 232740, 244377, 271530, 306180, 314199, 325836, 349110, 407295, 418932, 488754, 523665, 543060, 628398, 698220, 733131, 814590, 942597, 977508, 1047330, 1221885, 1256796, 1466262, 1570995, 1629180, 1885194, 2094660, 2199393, 2443770, 2932524, 3141990, 3665655, 3770388, 4398786, 4712985, 4887540, 6283980, 6598179, 7331310, 8797572, 9425970, 10996965, 13196358, 14662620, 18851940, 21993930, 26392716, 32990895, 43987860, 65981790, 131963580]

約数ペア:

[(1, 131963580), (2, 65981790), (3, 43987860), (4, 32990895), (5, 26392716), (6, 21993930), (7, 18851940), (9, 14662620), (10, 13196358), (12, 10996965), (14, 9425970), (15, 8797572), (18, 7331310), (20, 6598179), (21, 6283980), (27, 4887540), (28, 4712985), (30, 4398786), (35, 3770388), (36, 3665655), (42, 3141990), (45, 2932524), (54, 2443770), (60, 2199393), (63, 2094660), (70, 1885194), (81, 1629180), (84, 1570995), (90, 1466262), (105, 1256796), (108, 1221885), (126, 1047330), (135, 977508), (140, 942597), (162, 814590), (180, 733131), (189, 698220), (210, 628398), (243, 543060), (252, 523665), (270, 488754), (315, 418932), (324, 407295), (378, 349110), (405, 325836), (420, 314199), (431, 306180), (486, 271530), (540, 244377), (567, 232740), (630, 209466), (729, 181020), (756, 174555), (810, 162918), (862, 153090), (945, 139644), (972, 135765), (1134, 116370), (1215, 108612), (1260, 104733), (1293, 102060), (1458, 90510), (1620, 81459), (1701, 77580), (1724, 76545), (1890, 69822), (2155, 61236), (2187, 60340), (2268, 58185), (2430, 54306), (2586, 51030), (2835, 46548), (2916, 45255), (3017, 43740), (3402, 38790), (3645, 36204), (3780, 34911), (3879, 34020), (4310, 30618), (4374, 30170), (4860, 27153), (5103, 25860), (5172, 25515), (5670, 23274), (6034, 21870), (6465, 20412), (6804, 19395), (7290, 18102), (7758, 17010), (8505, 15516), (8620, 15309), (8748, 15085), (9051, 14580), (10206, 12930), (10935, 12068), (11340, 11637)]