87975720

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{431}}^1$

素因数の和:467

約数の個数: 224

約数和(自身を含む): 339966720

約数和(自身を除く): 251991000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 431, 486, 504, 540, 567, 630, 648, 729, 756, 810, 840, 862, 945, 972, 1080, 1134, 1215, 1260, 1293, 1458, 1512, 1620, 1701, 1724, 1890, 1944, 2155, 2268, 2430, 2520, 2586, 2835, 2916, 3017, 3240, 3402, 3448, 3645, 3780, 3879, 4310, 4536, 4860, 5103, 5172, 5670, 5832, 6034, 6465, 6804, 7290, 7560, 7758, 8505, 8620, 9051, 9720, 10206, 10344, 11340, 11637, 12068, 12930, 13608, 14580, 15085, 15516, 17010, 17240, 18102, 19395, 20412, 22680, 23274, 24136, 25515, 25860, 27153, 29160, 30170, 31032, 34020, 34911, 36204, 38790, 40824, 45255, 46548, 51030, 51720, 54306, 58185, 60340, 68040, 69822, 72408, 77580, 81459, 90510, 93096, 102060, 104733, 108612, 116370, 120680, 135765, 139644, 155160, 162918, 174555, 181020, 204120, 209466, 217224, 232740, 244377, 271530, 279288, 314199, 325836, 349110, 362040, 407295, 418932, 465480, 488754, 523665, 543060, 628398, 651672, 698220, 733131, 814590, 837864, 977508, 1047330, 1086120, 1221885, 1256796, 1396440, 1466262, 1570995, 1629180, 1955016, 2094660, 2199393, 2443770, 2513592, 2932524, 3141990, 3258360, 3665655, 4189320, 4398786, 4887540, 5865048, 6283980, 7331310, 8797572, 9775080, 10996965, 12567960, 14662620, 17595144, 21993930, 29325240, 43987860, 87975720]

約数ペア:

[(1, 87975720), (2, 43987860), (3, 29325240), (4, 21993930), (5, 17595144), (6, 14662620), (7, 12567960), (8, 10996965), (9, 9775080), (10, 8797572), (12, 7331310), (14, 6283980), (15, 5865048), (18, 4887540), (20, 4398786), (21, 4189320), (24, 3665655), (27, 3258360), (28, 3141990), (30, 2932524), (35, 2513592), (36, 2443770), (40, 2199393), (42, 2094660), (45, 1955016), (54, 1629180), (56, 1570995), (60, 1466262), (63, 1396440), (70, 1256796), (72, 1221885), (81, 1086120), (84, 1047330), (90, 977508), (105, 837864), (108, 814590), (120, 733131), (126, 698220), (135, 651672), (140, 628398), (162, 543060), (168, 523665), (180, 488754), (189, 465480), (210, 418932), (216, 407295), (243, 362040), (252, 349110), (270, 325836), (280, 314199), (315, 279288), (324, 271530), (360, 244377), (378, 232740), (405, 217224), (420, 209466), (431, 204120), (486, 181020), (504, 174555), (540, 162918), (567, 155160), (630, 139644), (648, 135765), (729, 120680), (756, 116370), (810, 108612), (840, 104733), (862, 102060), (945, 93096), (972, 90510), (1080, 81459), (1134, 77580), (1215, 72408), (1260, 69822), (1293, 68040), (1458, 60340), (1512, 58185), (1620, 54306), (1701, 51720), (1724, 51030), (1890, 46548), (1944, 45255), (2155, 40824), (2268, 38790), (2430, 36204), (2520, 34911), (2586, 34020), (2835, 31032), (2916, 30170), (3017, 29160), (3240, 27153), (3402, 25860), (3448, 25515), (3645, 24136), (3780, 23274), (3879, 22680), (4310, 20412), (4536, 19395), (4860, 18102), (5103, 17240), (5172, 17010), (5670, 15516), (5832, 15085), (6034, 14580), (6465, 13608), (6804, 12930), (7290, 12068), (7560, 11637), (7758, 11340), (8505, 10344), (8620, 10206), (9051, 9720)]