28522800

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 240

約数和(自身を含む): 107632000

約数和(自身を除く): 79109200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 90, 95, 100, 108, 114, 120, 135, 139, 144, 150, 152, 171, 180, 190, 200, 216, 225, 228, 240, 270, 278, 285, 300, 304, 342, 360, 380, 400, 417, 432, 450, 456, 475, 513, 540, 556, 570, 600, 675, 684, 695, 720, 760, 834, 855, 900, 912, 950, 1026, 1080, 1112, 1140, 1200, 1251, 1350, 1368, 1390, 1425, 1520, 1668, 1710, 1800, 1900, 2052, 2085, 2160, 2224, 2280, 2502, 2565, 2641, 2700, 2736, 2780, 2850, 3336, 3420, 3475, 3600, 3753, 3800, 4104, 4170, 4275, 4560, 5004, 5130, 5282, 5400, 5560, 5700, 6255, 6672, 6840, 6950, 7506, 7600, 7923, 8208, 8340, 8550, 10008, 10260, 10425, 10564, 10800, 11120, 11400, 12510, 12825, 13205, 13680, 13900, 15012, 15846, 16680, 17100, 18765, 20016, 20520, 20850, 21128, 22800, 23769, 25020, 25650, 26410, 27800, 30024, 31275, 31692, 33360, 34200, 37530, 39615, 41040, 41700, 42256, 47538, 50040, 51300, 52820, 55600, 60048, 62550, 63384, 66025, 68400, 71307, 75060, 79230, 83400, 93825, 95076, 100080, 102600, 105640, 118845, 125100, 126768, 132050, 142614, 150120, 158460, 166800, 187650, 190152, 198075, 205200, 211280, 237690, 250200, 264100, 285228, 300240, 316920, 356535, 375300, 380304, 396150, 475380, 500400, 528200, 570456, 594225, 633840, 713070, 750600, 792300, 950760, 1056400, 1140912, 1188450, 1426140, 1501200, 1584600, 1782675, 1901520, 2376900, 2852280, 3169200, 3565350, 4753800, 5704560, 7130700, 9507600, 14261400, 28522800]

約数ペア:

[(1, 28522800), (2, 14261400), (3, 9507600), (4, 7130700), (5, 5704560), (6, 4753800), (8, 3565350), (9, 3169200), (10, 2852280), (12, 2376900), (15, 1901520), (16, 1782675), (18, 1584600), (19, 1501200), (20, 1426140), (24, 1188450), (25, 1140912), (27, 1056400), (30, 950760), (36, 792300), (38, 750600), (40, 713070), (45, 633840), (48, 594225), (50, 570456), (54, 528200), (57, 500400), (60, 475380), (72, 396150), (75, 380304), (76, 375300), (80, 356535), (90, 316920), (95, 300240), (100, 285228), (108, 264100), (114, 250200), (120, 237690), (135, 211280), (139, 205200), (144, 198075), (150, 190152), (152, 187650), (171, 166800), (180, 158460), (190, 150120), (200, 142614), (216, 132050), (225, 126768), (228, 125100), (240, 118845), (270, 105640), (278, 102600), (285, 100080), (300, 95076), (304, 93825), (342, 83400), (360, 79230), (380, 75060), (400, 71307), (417, 68400), (432, 66025), (450, 63384), (456, 62550), (475, 60048), (513, 55600), (540, 52820), (556, 51300), (570, 50040), (600, 47538), (675, 42256), (684, 41700), (695, 41040), (720, 39615), (760, 37530), (834, 34200), (855, 33360), (900, 31692), (912, 31275), (950, 30024), (1026, 27800), (1080, 26410), (1112, 25650), (1140, 25020), (1200, 23769), (1251, 22800), (1350, 21128), (1368, 20850), (1390, 20520), (1425, 20016), (1520, 18765), (1668, 17100), (1710, 16680), (1800, 15846), (1900, 15012), (2052, 13900), (2085, 13680), (2160, 13205), (2224, 12825), (2280, 12510), (2502, 11400), (2565, 11120), (2641, 10800), (2700, 10564), (2736, 10425), (2780, 10260), (2850, 10008), (3336, 8550), (3420, 8340), (3475, 8208), (3600, 7923), (3753, 7600), (3800, 7506), (4104, 6950), (4170, 6840), (4275, 6672), (4560, 6255), (5004, 5700), (5130, 5560), (5282, 5400)]