261678960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21379}}^1$

素因数の和:21415

約数の個数: 120

約数和(自身を含む): 930543120

約数和(自身を除く): 668864160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240, 21379, 42758, 64137, 85516, 106895, 128274, 171032, 192411, 213790, 256548, 320685, 342064, 363443, 384822, 427580, 513096, 641370, 726886, 769644, 855160, 962055, 1026192, 1090329, 1282740, 1453772, 1539288, 1710320, 1817215, 1924110, 2180658, 2565480, 2907544, 3078576, 3270987, 3634430, 3848220, 4361316, 5130960, 5451645, 5815088, 6541974, 7268860, 7696440, 8722632, 10903290, 13083948, 14537720, 15392880, 16354935, 17445264, 21806580, 26167896, 29075440, 32709870, 43613160, 52335792, 65419740, 87226320, 130839480, 261678960]

約数ペア:

[(1, 261678960), (2, 130839480), (3, 87226320), (4, 65419740), (5, 52335792), (6, 43613160), (8, 32709870), (9, 29075440), (10, 26167896), (12, 21806580), (15, 17445264), (16, 16354935), (17, 15392880), (18, 14537720), (20, 13083948), (24, 10903290), (30, 8722632), (34, 7696440), (36, 7268860), (40, 6541974), (45, 5815088), (48, 5451645), (51, 5130960), (60, 4361316), (68, 3848220), (72, 3634430), (80, 3270987), (85, 3078576), (90, 2907544), (102, 2565480), (120, 2180658), (136, 1924110), (144, 1817215), (153, 1710320), (170, 1539288), (180, 1453772), (204, 1282740), (240, 1090329), (255, 1026192), (272, 962055), (306, 855160), (340, 769644), (360, 726886), (408, 641370), (510, 513096), (612, 427580), (680, 384822), (720, 363443), (765, 342064), (816, 320685), (1020, 256548), (1224, 213790), (1360, 192411), (1530, 171032), (2040, 128274), (2448, 106895), (3060, 85516), (4080, 64137), (6120, 42758), (12240, 21379)]