21296640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:132

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 49413120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 59, 60, 64, 80, 94, 96, 118, 120, 128, 141, 160, 177, 188, 192, 235, 236, 240, 256, 282, 295, 320, 354, 376, 384, 470, 472, 480, 512, 564, 590, 640, 705, 708, 752, 768, 885, 940, 944, 960, 1128, 1180, 1280, 1410, 1416, 1504, 1536, 1770, 1880, 1888, 1920, 2256, 2360, 2560, 2773, 2820, 2832, 3008, 3540, 3760, 3776, 3840, 4512, 4720, 5546, 5640, 5664, 6016, 7080, 7520, 7552, 7680, 8319, 9024, 9440, 11092, 11280, 11328, 12032, 13865, 14160, 15040, 15104, 16638, 18048, 18880, 22184, 22560, 22656, 24064, 27730, 28320, 30080, 30208, 33276, 36096, 37760, 41595, 44368, 45120, 45312, 55460, 56640, 60160, 66552, 72192, 75520, 83190, 88736, 90240, 90624, 110920, 113280, 120320, 133104, 151040, 166380, 177472, 180480, 221840, 226560, 266208, 332760, 354944, 360960, 443680, 453120, 532416, 665520, 709888, 887360, 1064832, 1331040, 1419776, 1774720, 2129664, 2662080, 3549440, 4259328, 5324160, 7098880, 10648320, 21296640]

約数ペア:

[(1, 21296640), (2, 10648320), (3, 7098880), (4, 5324160), (5, 4259328), (6, 3549440), (8, 2662080), (10, 2129664), (12, 1774720), (15, 1419776), (16, 1331040), (20, 1064832), (24, 887360), (30, 709888), (32, 665520), (40, 532416), (47, 453120), (48, 443680), (59, 360960), (60, 354944), (64, 332760), (80, 266208), (94, 226560), (96, 221840), (118, 180480), (120, 177472), (128, 166380), (141, 151040), (160, 133104), (177, 120320), (188, 113280), (192, 110920), (235, 90624), (236, 90240), (240, 88736), (256, 83190), (282, 75520), (295, 72192), (320, 66552), (354, 60160), (376, 56640), (384, 55460), (470, 45312), (472, 45120), (480, 44368), (512, 41595), (564, 37760), (590, 36096), (640, 33276), (705, 30208), (708, 30080), (752, 28320), (768, 27730), (885, 24064), (940, 22656), (944, 22560), (960, 22184), (1128, 18880), (1180, 18048), (1280, 16638), (1410, 15104), (1416, 15040), (1504, 14160), (1536, 13865), (1770, 12032), (1880, 11328), (1888, 11280), (1920, 11092), (2256, 9440), (2360, 9024), (2560, 8319), (2773, 7680), (2820, 7552), (2832, 7520), (3008, 7080), (3540, 6016), (3760, 5664), (3776, 5640), (3840, 5546), (4512, 4720)]