631501920

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{6961}}^1$

素因数の和:6995

約数の個数: 240

約数和(自身を含む): 2547423648

約数和(自身を除く): 1915921728

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, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 6961, 7560, 9072, 10080, 11340, 12960, 13922, 15120, 18144, 20883, 22680, 27844, 30240, 34805, 41766, 45360, 48727, 55688, 62649, 69610, 83532, 90720, 97454, 104415, 111376, 125298, 139220, 146181, 167064, 187947, 194908, 208830, 222752, 243635, 250596, 278440, 292362, 313245, 334128, 375894, 389816, 417660, 438543, 487270, 501192, 556880, 563841, 584724, 626490, 668256, 730905, 751788, 779632, 835320, 877086, 939735, 974540, 1002384, 1113760, 1127682, 1169448, 1252980, 1315629, 1461810, 1503576, 1559264, 1670640, 1754172, 1879470, 1949080, 2004768, 2192715, 2255364, 2338896, 2505960, 2631258, 2819205, 2923620, 3007152, 3341280, 3508344, 3758940, 3898160, 3946887, 4385430, 4510728, 4677792, 5011920, 5262516, 5638410, 5847240, 6014304, 6578145, 7016688, 7517880, 7796320, 7893774, 8770860, 9021456, 10023840, 10525032, 11276820, 11694480, 13156290, 14033376, 15035760, 15787548, 17541720, 18042912, 19734435, 21050064, 22553640, 23388960, 26312580, 30071520, 31575096, 35083440, 39468870, 42100128, 45107280, 52625160, 63150192, 70166880, 78937740, 90214560, 105250320, 126300384, 157875480, 210500640, 315750960, 631501920]

約数ペア:

[(1, 631501920), (2, 315750960), (3, 210500640), (4, 157875480), (5, 126300384), (6, 105250320), (7, 90214560), (8, 78937740), (9, 70166880), (10, 63150192), (12, 52625160), (14, 45107280), (15, 42100128), (16, 39468870), (18, 35083440), (20, 31575096), (21, 30071520), (24, 26312580), (27, 23388960), (28, 22553640), (30, 21050064), (32, 19734435), (35, 18042912), (36, 17541720), (40, 15787548), (42, 15035760), (45, 14033376), (48, 13156290), (54, 11694480), (56, 11276820), (60, 10525032), (63, 10023840), (70, 9021456), (72, 8770860), (80, 7893774), (81, 7796320), (84, 7517880), (90, 7016688), (96, 6578145), (105, 6014304), (108, 5847240), (112, 5638410), (120, 5262516), (126, 5011920), (135, 4677792), (140, 4510728), (144, 4385430), (160, 3946887), (162, 3898160), (168, 3758940), (180, 3508344), (189, 3341280), (210, 3007152), (216, 2923620), (224, 2819205), (240, 2631258), (252, 2505960), (270, 2338896), (280, 2255364), (288, 2192715), (315, 2004768), (324, 1949080), (336, 1879470), (360, 1754172), (378, 1670640), (405, 1559264), (420, 1503576), (432, 1461810), (480, 1315629), (504, 1252980), (540, 1169448), (560, 1127682), (567, 1113760), (630, 1002384), (648, 974540), (672, 939735), (720, 877086), (756, 835320), (810, 779632), (840, 751788), (864, 730905), (945, 668256), (1008, 626490), (1080, 584724), (1120, 563841), (1134, 556880), (1260, 501192), (1296, 487270), (1440, 438543), (1512, 417660), (1620, 389816), (1680, 375894), (1890, 334128), (2016, 313245), (2160, 292362), (2268, 278440), (2520, 250596), (2592, 243635), (2835, 222752), (3024, 208830), (3240, 194908), (3360, 187947), (3780, 167064), (4320, 146181), (4536, 139220), (5040, 125298), (5670, 111376), (6048, 104415), (6480, 97454), (6961, 90720), (7560, 83532), (9072, 69610), (10080, 62649), (11340, 55688), (12960, 48727), (13922, 45360), (15120, 41766), (18144, 34805), (20883, 30240), (22680, 27844)]