19456800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 216

約数和(自身を含む): 70651728

約数和(自身を除く): 51194928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 66, 67, 75, 80, 88, 96, 100, 110, 120, 121, 132, 134, 150, 160, 165, 176, 200, 201, 220, 240, 242, 264, 268, 275, 300, 330, 335, 352, 363, 400, 402, 440, 480, 484, 528, 536, 550, 600, 605, 660, 670, 726, 737, 800, 804, 825, 880, 968, 1005, 1056, 1072, 1100, 1200, 1210, 1320, 1340, 1452, 1474, 1608, 1650, 1675, 1760, 1815, 1936, 2010, 2144, 2200, 2211, 2400, 2420, 2640, 2680, 2904, 2948, 3025, 3216, 3300, 3350, 3630, 3685, 3872, 4020, 4400, 4422, 4840, 5025, 5280, 5360, 5808, 5896, 6050, 6432, 6600, 6700, 7260, 7370, 8040, 8107, 8800, 8844, 9075, 9680, 10050, 10720, 11055, 11616, 11792, 12100, 13200, 13400, 14520, 14740, 16080, 16214, 17688, 18150, 18425, 19360, 20100, 22110, 23584, 24200, 24321, 26400, 26800, 29040, 29480, 32160, 32428, 35376, 36300, 36850, 40200, 40535, 44220, 48400, 48642, 53600, 55275, 58080, 58960, 64856, 70752, 72600, 73700, 80400, 81070, 88440, 96800, 97284, 110550, 117920, 121605, 129712, 145200, 147400, 160800, 162140, 176880, 194568, 202675, 221100, 243210, 259424, 290400, 294800, 324280, 353760, 389136, 405350, 442200, 486420, 589600, 608025, 648560, 778272, 810700, 884400, 972840, 1216050, 1297120, 1621400, 1768800, 1945680, 2432100, 3242800, 3891360, 4864200, 6485600, 9728400, 19456800]

約数ペア:

[(1, 19456800), (2, 9728400), (3, 6485600), (4, 4864200), (5, 3891360), (6, 3242800), (8, 2432100), (10, 1945680), (11, 1768800), (12, 1621400), (15, 1297120), (16, 1216050), (20, 972840), (22, 884400), (24, 810700), (25, 778272), (30, 648560), (32, 608025), (33, 589600), (40, 486420), (44, 442200), (48, 405350), (50, 389136), (55, 353760), (60, 324280), (66, 294800), (67, 290400), (75, 259424), (80, 243210), (88, 221100), (96, 202675), (100, 194568), (110, 176880), (120, 162140), (121, 160800), (132, 147400), (134, 145200), (150, 129712), (160, 121605), (165, 117920), (176, 110550), (200, 97284), (201, 96800), (220, 88440), (240, 81070), (242, 80400), (264, 73700), (268, 72600), (275, 70752), (300, 64856), (330, 58960), (335, 58080), (352, 55275), (363, 53600), (400, 48642), (402, 48400), (440, 44220), (480, 40535), (484, 40200), (528, 36850), (536, 36300), (550, 35376), (600, 32428), (605, 32160), (660, 29480), (670, 29040), (726, 26800), (737, 26400), (800, 24321), (804, 24200), (825, 23584), (880, 22110), (968, 20100), (1005, 19360), (1056, 18425), (1072, 18150), (1100, 17688), (1200, 16214), (1210, 16080), (1320, 14740), (1340, 14520), (1452, 13400), (1474, 13200), (1608, 12100), (1650, 11792), (1675, 11616), (1760, 11055), (1815, 10720), (1936, 10050), (2010, 9680), (2144, 9075), (2200, 8844), (2211, 8800), (2400, 8107), (2420, 8040), (2640, 7370), (2680, 7260), (2904, 6700), (2948, 6600), (3025, 6432), (3216, 6050), (3300, 5896), (3350, 5808), (3630, 5360), (3685, 5280), (3872, 5025), (4020, 4840), (4400, 4422)]