661219200

素因数分解:

$2^7\times 3^4\times 5^2\times {\mathrm{2551}}^1$

素因数の和:2587

約数の個数: 240

約数和(自身を含む): 2441000760

約数和(自身を除く): 1779781560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 81, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 162, 180, 192, 200, 216, 225, 240, 270, 288, 300, 320, 324, 360, 384, 400, 405, 432, 450, 480, 540, 576, 600, 640, 648, 675, 720, 800, 810, 864, 900, 960, 1080, 1152, 1200, 1296, 1350, 1440, 1600, 1620, 1728, 1800, 1920, 2025, 2160, 2400, 2551, 2592, 2700, 2880, 3200, 3240, 3456, 3600, 4050, 4320, 4800, 5102, 5184, 5400, 5760, 6480, 7200, 7653, 8100, 8640, 9600, 10204, 10368, 10800, 12755, 12960, 14400, 15306, 16200, 17280, 20408, 21600, 22959, 25510, 25920, 28800, 30612, 32400, 38265, 40816, 43200, 45918, 51020, 51840, 61224, 63775, 64800, 68877, 76530, 81632, 86400, 91836, 102040, 114795, 122448, 127550, 129600, 137754, 153060, 163264, 183672, 191325, 204080, 206631, 229590, 244896, 255100, 259200, 275508, 306120, 326528, 344385, 367344, 382650, 408160, 413262, 459180, 489792, 510200, 551016, 573975, 612240, 688770, 734688, 765300, 816320, 826524, 918360, 979584, 1020400, 1033155, 1102032, 1147950, 1224480, 1377540, 1469376, 1530600, 1632640, 1653048, 1721925, 1836720, 2040800, 2066310, 2204064, 2295900, 2448960, 2755080, 2938752, 3061200, 3306096, 3443850, 3673440, 4081600, 4132620, 4408128, 4591800, 4897920, 5165775, 5510160, 6122400, 6612192, 6887700, 7346880, 8163200, 8265240, 8816256, 9183600, 10331550, 11020320, 12244800, 13224384, 13775400, 14693760, 16530480, 18367200, 20663100, 22040640, 24489600, 26448768, 27550800, 33060960, 36734400, 41326200, 44081280, 55101600, 66121920, 73468800, 82652400, 110203200, 132243840, 165304800, 220406400, 330609600, 661219200]

約数ペア:

[(1, 661219200), (2, 330609600), (3, 220406400), (4, 165304800), (5, 132243840), (6, 110203200), (8, 82652400), (9, 73468800), (10, 66121920), (12, 55101600), (15, 44081280), (16, 41326200), (18, 36734400), (20, 33060960), (24, 27550800), (25, 26448768), (27, 24489600), (30, 22040640), (32, 20663100), (36, 18367200), (40, 16530480), (45, 14693760), (48, 13775400), (50, 13224384), (54, 12244800), (60, 11020320), (64, 10331550), (72, 9183600), (75, 8816256), (80, 8265240), (81, 8163200), (90, 7346880), (96, 6887700), (100, 6612192), (108, 6122400), (120, 5510160), (128, 5165775), (135, 4897920), (144, 4591800), (150, 4408128), (160, 4132620), (162, 4081600), (180, 3673440), (192, 3443850), (200, 3306096), (216, 3061200), (225, 2938752), (240, 2755080), (270, 2448960), (288, 2295900), (300, 2204064), (320, 2066310), (324, 2040800), (360, 1836720), (384, 1721925), (400, 1653048), (405, 1632640), (432, 1530600), (450, 1469376), (480, 1377540), (540, 1224480), (576, 1147950), (600, 1102032), (640, 1033155), (648, 1020400), (675, 979584), (720, 918360), (800, 826524), (810, 816320), (864, 765300), (900, 734688), (960, 688770), (1080, 612240), (1152, 573975), (1200, 551016), (1296, 510200), (1350, 489792), (1440, 459180), (1600, 413262), (1620, 408160), (1728, 382650), (1800, 367344), (1920, 344385), (2025, 326528), (2160, 306120), (2400, 275508), (2551, 259200), (2592, 255100), (2700, 244896), (2880, 229590), (3200, 206631), (3240, 204080), (3456, 191325), (3600, 183672), (4050, 163264), (4320, 153060), (4800, 137754), (5102, 129600), (5184, 127550), (5400, 122448), (5760, 114795), (6480, 102040), (7200, 91836), (7653, 86400), (8100, 81632), (8640, 76530), (9600, 68877), (10204, 64800), (10368, 63775), (10800, 61224), (12755, 51840), (12960, 51020), (14400, 45918), (15306, 43200), (16200, 40816), (17280, 38265), (20408, 32400), (21600, 30612), (22959, 28800), (25510, 25920)]