28640929920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{18439}}^1$

素因数の和:19270

約数の個数: 128

約数和(自身を含む): 91410768000

約数和(自身を除く): 62769838080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 809, 960, 1618, 1920, 2427, 3236, 4045, 4854, 6472, 8090, 9708, 12135, 12944, 16180, 18439, 19416, 24270, 25888, 32360, 36878, 38832, 48540, 51776, 55317, 64720, 73756, 77664, 92195, 97080, 103552, 110634, 129440, 147512, 155328, 184390, 194160, 221268, 258880, 276585, 295024, 310656, 368780, 388320, 442536, 517760, 553170, 590048, 737560, 776640, 885072, 1106340, 1180096, 1475120, 1553280, 1770144, 2212680, 2360192, 2950240, 3540288, 4425360, 5900480, 7080576, 8850720, 11800960, 14917151, 17701440, 29834302, 35402880, 44751453, 59668604, 74585755, 89502906, 119337208, 149171510, 179005812, 223757265, 238674416, 298343020, 358011624, 447514530, 477348832, 596686040, 716023248, 895029060, 954697664, 1193372080, 1432046496, 1790058120, 1909395328, 2386744160, 2864092992, 3580116240, 4773488320, 5728185984, 7160232480, 9546976640, 14320464960, 28640929920]

約数ペア:

[(1, 28640929920), (2, 14320464960), (3, 9546976640), (4, 7160232480), (5, 5728185984), (6, 4773488320), (8, 3580116240), (10, 2864092992), (12, 2386744160), (15, 1909395328), (16, 1790058120), (20, 1432046496), (24, 1193372080), (30, 954697664), (32, 895029060), (40, 716023248), (48, 596686040), (60, 477348832), (64, 447514530), (80, 358011624), (96, 298343020), (120, 238674416), (128, 223757265), (160, 179005812), (192, 149171510), (240, 119337208), (320, 89502906), (384, 74585755), (480, 59668604), (640, 44751453), (809, 35402880), (960, 29834302), (1618, 17701440), (1920, 14917151), (2427, 11800960), (3236, 8850720), (4045, 7080576), (4854, 5900480), (6472, 4425360), (8090, 3540288), (9708, 2950240), (12135, 2360192), (12944, 2212680), (16180, 1770144), (18439, 1553280), (19416, 1475120), (24270, 1180096), (25888, 1106340), (32360, 885072), (36878, 776640), (38832, 737560), (48540, 590048), (51776, 553170), (55317, 517760), (64720, 442536), (73756, 388320), (77664, 368780), (92195, 310656), (97080, 295024), (103552, 276585), (110634, 258880), (129440, 221268), (147512, 194160), (155328, 184390)]