19747200

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:66

約数の個数: 288

約数和(自身を含む): 75698280

約数和(自身を除く): 55951080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 25, 30, 32, 33, 34, 40, 44, 48, 50, 51, 55, 60, 64, 66, 68, 75, 80, 85, 88, 96, 100, 102, 110, 120, 121, 128, 132, 136, 150, 160, 165, 170, 176, 187, 192, 200, 204, 220, 240, 242, 255, 264, 272, 275, 300, 320, 330, 340, 352, 363, 374, 384, 400, 408, 425, 440, 480, 484, 510, 528, 544, 550, 561, 600, 605, 640, 660, 680, 704, 726, 748, 800, 816, 825, 850, 880, 935, 960, 968, 1020, 1056, 1088, 1100, 1122, 1200, 1210, 1275, 1320, 1360, 1408, 1452, 1496, 1600, 1632, 1650, 1700, 1760, 1815, 1870, 1920, 1936, 2040, 2057, 2112, 2176, 2200, 2244, 2400, 2420, 2550, 2640, 2720, 2805, 2904, 2992, 3025, 3200, 3264, 3300, 3400, 3520, 3630, 3740, 3872, 4080, 4114, 4224, 4400, 4488, 4675, 4800, 4840, 5100, 5280, 5440, 5610, 5808, 5984, 6050, 6171, 6528, 6600, 6800, 7040, 7260, 7480, 7744, 8160, 8228, 8800, 8976, 9075, 9350, 9600, 9680, 10200, 10285, 10560, 10880, 11220, 11616, 11968, 12100, 12342, 13200, 13600, 14025, 14520, 14960, 15488, 16320, 16456, 17600, 17952, 18150, 18700, 19360, 20400, 20570, 21120, 22440, 23232, 23936, 24200, 24684, 26400, 27200, 28050, 29040, 29920, 30855, 32640, 32912, 35200, 35904, 36300, 37400, 38720, 40800, 41140, 44880, 46464, 48400, 49368, 51425, 52800, 54400, 56100, 58080, 59840, 61710, 65824, 71808, 72600, 74800, 77440, 81600, 82280, 89760, 96800, 98736, 102850, 105600, 112200, 116160, 119680, 123420, 131648, 145200, 149600, 154275, 163200, 164560, 179520, 193600, 197472, 205700, 224400, 232320, 246840, 263296, 290400, 299200, 308550, 329120, 359040, 387200, 394944, 411400, 448800, 493680, 580800, 598400, 617100, 658240, 789888, 822800, 897600, 987360, 1161600, 1234200, 1316480, 1645600, 1795200, 1974720, 2468400, 3291200, 3949440, 4936800, 6582400, 9873600, 19747200]

約数ペア:

[(1, 19747200), (2, 9873600), (3, 6582400), (4, 4936800), (5, 3949440), (6, 3291200), (8, 2468400), (10, 1974720), (11, 1795200), (12, 1645600), (15, 1316480), (16, 1234200), (17, 1161600), (20, 987360), (22, 897600), (24, 822800), (25, 789888), (30, 658240), (32, 617100), (33, 598400), (34, 580800), (40, 493680), (44, 448800), (48, 411400), (50, 394944), (51, 387200), (55, 359040), (60, 329120), (64, 308550), (66, 299200), (68, 290400), (75, 263296), (80, 246840), (85, 232320), (88, 224400), (96, 205700), (100, 197472), (102, 193600), (110, 179520), (120, 164560), (121, 163200), (128, 154275), (132, 149600), (136, 145200), (150, 131648), (160, 123420), (165, 119680), (170, 116160), (176, 112200), (187, 105600), (192, 102850), (200, 98736), (204, 96800), (220, 89760), (240, 82280), (242, 81600), (255, 77440), (264, 74800), (272, 72600), (275, 71808), (300, 65824), (320, 61710), (330, 59840), (340, 58080), (352, 56100), (363, 54400), (374, 52800), (384, 51425), (400, 49368), (408, 48400), (425, 46464), (440, 44880), (480, 41140), (484, 40800), (510, 38720), (528, 37400), (544, 36300), (550, 35904), (561, 35200), (600, 32912), (605, 32640), (640, 30855), (660, 29920), (680, 29040), (704, 28050), (726, 27200), (748, 26400), (800, 24684), (816, 24200), (825, 23936), (850, 23232), (880, 22440), (935, 21120), (960, 20570), (968, 20400), (1020, 19360), (1056, 18700), (1088, 18150), (1100, 17952), (1122, 17600), (1200, 16456), (1210, 16320), (1275, 15488), (1320, 14960), (1360, 14520), (1408, 14025), (1452, 13600), (1496, 13200), (1600, 12342), (1632, 12100), (1650, 11968), (1700, 11616), (1760, 11220), (1815, 10880), (1870, 10560), (1920, 10285), (1936, 10200), (2040, 9680), (2057, 9600), (2112, 9350), (2176, 9075), (2200, 8976), (2244, 8800), (2400, 8228), (2420, 8160), (2550, 7744), (2640, 7480), (2720, 7260), (2805, 7040), (2904, 6800), (2992, 6600), (3025, 6528), (3200, 6171), (3264, 6050), (3300, 5984), (3400, 5808), (3520, 5610), (3630, 5440), (3740, 5280), (3872, 5100), (4080, 4840), (4114, 4800), (4224, 4675), (4400, 4488)]