215581440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1866

約数の個数: 144

約数和(自身を含む): 711115776

約数和(自身を除く): 495534336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1811, 1860, 1920, 1984, 2480, 2976, 3622, 3720, 3840, 3968, 4960, 5433, 5952, 7244, 7440, 7936, 9055, 9920, 10866, 11904, 14488, 14880, 18110, 19840, 21732, 23808, 27165, 28976, 29760, 36220, 39680, 43464, 54330, 56141, 57952, 59520, 72440, 86928, 108660, 112282, 115904, 119040, 144880, 168423, 173856, 217320, 224564, 231808, 280705, 289760, 336846, 347712, 434640, 449128, 463616, 561410, 579520, 673692, 695424, 842115, 869280, 898256, 1122820, 1159040, 1347384, 1390848, 1684230, 1738560, 1796512, 2245640, 2318080, 2694768, 3368460, 3477120, 3593024, 4491280, 5389536, 6736920, 6954240, 7186048, 8982560, 10779072, 13473840, 14372096, 17965120, 21558144, 26947680, 35930240, 43116288, 53895360, 71860480, 107790720, 215581440]

約数ペア:

[(1, 215581440), (2, 107790720), (3, 71860480), (4, 53895360), (5, 43116288), (6, 35930240), (8, 26947680), (10, 21558144), (12, 17965120), (15, 14372096), (16, 13473840), (20, 10779072), (24, 8982560), (30, 7186048), (31, 6954240), (32, 6736920), (40, 5389536), (48, 4491280), (60, 3593024), (62, 3477120), (64, 3368460), (80, 2694768), (93, 2318080), (96, 2245640), (120, 1796512), (124, 1738560), (128, 1684230), (155, 1390848), (160, 1347384), (186, 1159040), (192, 1122820), (240, 898256), (248, 869280), (256, 842115), (310, 695424), (320, 673692), (372, 579520), (384, 561410), (465, 463616), (480, 449128), (496, 434640), (620, 347712), (640, 336846), (744, 289760), (768, 280705), (930, 231808), (960, 224564), (992, 217320), (1240, 173856), (1280, 168423), (1488, 144880), (1811, 119040), (1860, 115904), (1920, 112282), (1984, 108660), (2480, 86928), (2976, 72440), (3622, 59520), (3720, 57952), (3840, 56141), (3968, 54330), (4960, 43464), (5433, 39680), (5952, 36220), (7244, 29760), (7440, 28976), (7936, 27165), (9055, 23808), (9920, 21732), (10866, 19840), (11904, 18110), (14488, 14880)]