1961940960

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{64879}}^1$

素因数の和:64910

約数の個数: 192

約数和(自身を含む): 7847884800

約数和(自身を除く): 5885943840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 64879, 129758, 194637, 259516, 324395, 389274, 454153, 519032, 583911, 648790, 778548, 908306, 973185, 1038064, 1167822, 1297580, 1362459, 1557096, 1751733, 1816612, 1946370, 2076128, 2270765, 2335644, 2595160, 2724918, 2919555, 3114192, 3503466, 3633224, 3892740, 4087377, 4541530, 4671288, 5190320, 5449836, 5839110, 6228384, 6812295, 7006932, 7266448, 7785480, 8174754, 8758665, 9083060, 9342576, 10380640, 10899672, 11678220, 12262131, 13624590, 14013864, 14532896, 15570960, 16349508, 17517330, 18166120, 18685152, 20436885, 21799344, 23356440, 24524262, 27249180, 28027728, 31141920, 32699016, 35034660, 36332240, 40873770, 43598688, 46712880, 49048524, 54498360, 56055456, 61310655, 65398032, 70069320, 72664480, 81747540, 93425760, 98097048, 108996720, 122621310, 130796064, 140138640, 163495080, 196194096, 217993440, 245242620, 280277280, 326990160, 392388192, 490485240, 653980320, 980970480, 1961940960]

約数ペア:

[(1, 1961940960), (2, 980970480), (3, 653980320), (4, 490485240), (5, 392388192), (6, 326990160), (7, 280277280), (8, 245242620), (9, 217993440), (10, 196194096), (12, 163495080), (14, 140138640), (15, 130796064), (16, 122621310), (18, 108996720), (20, 98097048), (21, 93425760), (24, 81747540), (27, 72664480), (28, 70069320), (30, 65398032), (32, 61310655), (35, 56055456), (36, 54498360), (40, 49048524), (42, 46712880), (45, 43598688), (48, 40873770), (54, 36332240), (56, 35034660), (60, 32699016), (63, 31141920), (70, 28027728), (72, 27249180), (80, 24524262), (84, 23356440), (90, 21799344), (96, 20436885), (105, 18685152), (108, 18166120), (112, 17517330), (120, 16349508), (126, 15570960), (135, 14532896), (140, 14013864), (144, 13624590), (160, 12262131), (168, 11678220), (180, 10899672), (189, 10380640), (210, 9342576), (216, 9083060), (224, 8758665), (240, 8174754), (252, 7785480), (270, 7266448), (280, 7006932), (288, 6812295), (315, 6228384), (336, 5839110), (360, 5449836), (378, 5190320), (420, 4671288), (432, 4541530), (480, 4087377), (504, 3892740), (540, 3633224), (560, 3503466), (630, 3114192), (672, 2919555), (720, 2724918), (756, 2595160), (840, 2335644), (864, 2270765), (945, 2076128), (1008, 1946370), (1080, 1816612), (1120, 1751733), (1260, 1557096), (1440, 1362459), (1512, 1297580), (1680, 1167822), (1890, 1038064), (2016, 973185), (2160, 908306), (2520, 778548), (3024, 648790), (3360, 583911), (3780, 519032), (4320, 454153), (5040, 389274), (6048, 324395), (7560, 259516), (10080, 194637), (15120, 129758), (30240, 64879)]