219907800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:623

約数の個数: 288

約数和(自身を含む): 872801280

約数和(自身を除く): 652893480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 31, 35, 36, 40, 42, 45, 50, 56, 60, 62, 63, 70, 72, 75, 84, 90, 93, 100, 105, 120, 124, 126, 140, 150, 155, 168, 175, 180, 186, 200, 210, 217, 225, 248, 252, 279, 280, 300, 310, 315, 350, 360, 372, 420, 434, 450, 465, 504, 525, 558, 563, 600, 620, 630, 651, 700, 744, 775, 840, 868, 900, 930, 1050, 1085, 1116, 1126, 1240, 1260, 1302, 1395, 1400, 1550, 1575, 1689, 1736, 1800, 1860, 1953, 2100, 2170, 2232, 2252, 2325, 2520, 2604, 2790, 2815, 3100, 3150, 3255, 3378, 3720, 3906, 3941, 4200, 4340, 4504, 4650, 5067, 5208, 5425, 5580, 5630, 6200, 6300, 6510, 6756, 6975, 7812, 7882, 8445, 8680, 9300, 9765, 10134, 10850, 11160, 11260, 11823, 12600, 13020, 13512, 13950, 14075, 15624, 15764, 16275, 16890, 17453, 18600, 19530, 19705, 20268, 21700, 22520, 23646, 25335, 26040, 27900, 28150, 31528, 32550, 33780, 34906, 35469, 39060, 39410, 40536, 42225, 43400, 47292, 48825, 50670, 52359, 55800, 56300, 59115, 65100, 67560, 69812, 70938, 78120, 78820, 84450, 87265, 94584, 97650, 98525, 101340, 104718, 112600, 118230, 122171, 126675, 130200, 139624, 141876, 157077, 157640, 168900, 174530, 177345, 195300, 197050, 202680, 209436, 236460, 244342, 253350, 261795, 283752, 295575, 314154, 337800, 349060, 354690, 366513, 390600, 394100, 418872, 436325, 472920, 488684, 506700, 523590, 591150, 610855, 628308, 698120, 709380, 733026, 785385, 788200, 872650, 886725, 977368, 1013400, 1047180, 1099539, 1182300, 1221710, 1256616, 1308975, 1418760, 1466052, 1570770, 1745300, 1773450, 1832565, 2094360, 2199078, 2364600, 2443420, 2617950, 2932104, 3054275, 3141540, 3490600, 3546900, 3665130, 3926925, 4398156, 4886840, 5235900, 5497695, 6108550, 6283080, 7093800, 7330260, 7853850, 8796312, 9162825, 10471800, 10995390, 12217100, 14660520, 15707700, 18325650, 21990780, 24434200, 27488475, 31415400, 36651300, 43981560, 54976950, 73302600, 109953900, 219907800]

約数ペア:

[(1, 219907800), (2, 109953900), (3, 73302600), (4, 54976950), (5, 43981560), (6, 36651300), (7, 31415400), (8, 27488475), (9, 24434200), (10, 21990780), (12, 18325650), (14, 15707700), (15, 14660520), (18, 12217100), (20, 10995390), (21, 10471800), (24, 9162825), (25, 8796312), (28, 7853850), (30, 7330260), (31, 7093800), (35, 6283080), (36, 6108550), (40, 5497695), (42, 5235900), (45, 4886840), (50, 4398156), (56, 3926925), (60, 3665130), (62, 3546900), (63, 3490600), (70, 3141540), (72, 3054275), (75, 2932104), (84, 2617950), (90, 2443420), (93, 2364600), (100, 2199078), (105, 2094360), (120, 1832565), (124, 1773450), (126, 1745300), (140, 1570770), (150, 1466052), (155, 1418760), (168, 1308975), (175, 1256616), (180, 1221710), (186, 1182300), (200, 1099539), (210, 1047180), (217, 1013400), (225, 977368), (248, 886725), (252, 872650), (279, 788200), (280, 785385), (300, 733026), (310, 709380), (315, 698120), (350, 628308), (360, 610855), (372, 591150), (420, 523590), (434, 506700), (450, 488684), (465, 472920), (504, 436325), (525, 418872), (558, 394100), (563, 390600), (600, 366513), (620, 354690), (630, 349060), (651, 337800), (700, 314154), (744, 295575), (775, 283752), (840, 261795), (868, 253350), (900, 244342), (930, 236460), (1050, 209436), (1085, 202680), (1116, 197050), (1126, 195300), (1240, 177345), (1260, 174530), (1302, 168900), (1395, 157640), (1400, 157077), (1550, 141876), (1575, 139624), (1689, 130200), (1736, 126675), (1800, 122171), (1860, 118230), (1953, 112600), (2100, 104718), (2170, 101340), (2232, 98525), (2252, 97650), (2325, 94584), (2520, 87265), (2604, 84450), (2790, 78820), (2815, 78120), (3100, 70938), (3150, 69812), (3255, 67560), (3378, 65100), (3720, 59115), (3906, 56300), (3941, 55800), (4200, 52359), (4340, 50670), (4504, 48825), (4650, 47292), (5067, 43400), (5208, 42225), (5425, 40536), (5580, 39410), (5630, 39060), (6200, 35469), (6300, 34906), (6510, 33780), (6756, 32550), (6975, 31528), (7812, 28150), (7882, 27900), (8445, 26040), (8680, 25335), (9300, 23646), (9765, 22520), (10134, 21700), (10850, 20268), (11160, 19705), (11260, 19530), (11823, 18600), (12600, 17453), (13020, 16890), (13512, 16275), (13950, 15764), (14075, 15624)]