389339520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1019}}^1$

素因数の和:1240

約数の個数: 128

約数和(自身を含む): 1248480000

約数和(自身を除く): 859140480

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, 199, 240, 320, 384, 398, 480, 597, 640, 796, 960, 995, 1019, 1194, 1592, 1920, 1990, 2038, 2388, 2985, 3057, 3184, 3980, 4076, 4776, 5095, 5970, 6114, 6368, 7960, 8152, 9552, 10190, 11940, 12228, 12736, 15285, 15920, 16304, 19104, 20380, 23880, 24456, 25472, 30570, 31840, 32608, 38208, 40760, 47760, 48912, 61140, 63680, 65216, 76416, 81520, 95520, 97824, 122280, 127360, 130432, 163040, 191040, 195648, 202781, 244560, 326080, 382080, 391296, 405562, 489120, 608343, 652160, 811124, 978240, 1013905, 1216686, 1622248, 1956480, 2027810, 2433372, 3041715, 3244496, 4055620, 4866744, 6083430, 6488992, 8111240, 9733488, 12166860, 12977984, 16222480, 19466976, 24333720, 25955968, 32444960, 38933952, 48667440, 64889920, 77867904, 97334880, 129779840, 194669760, 389339520]

約数ペア:

[(1, 389339520), (2, 194669760), (3, 129779840), (4, 97334880), (5, 77867904), (6, 64889920), (8, 48667440), (10, 38933952), (12, 32444960), (15, 25955968), (16, 24333720), (20, 19466976), (24, 16222480), (30, 12977984), (32, 12166860), (40, 9733488), (48, 8111240), (60, 6488992), (64, 6083430), (80, 4866744), (96, 4055620), (120, 3244496), (128, 3041715), (160, 2433372), (192, 2027810), (199, 1956480), (240, 1622248), (320, 1216686), (384, 1013905), (398, 978240), (480, 811124), (597, 652160), (640, 608343), (796, 489120), (960, 405562), (995, 391296), (1019, 382080), (1194, 326080), (1592, 244560), (1920, 202781), (1990, 195648), (2038, 191040), (2388, 163040), (2985, 130432), (3057, 127360), (3184, 122280), (3980, 97824), (4076, 95520), (4776, 81520), (5095, 76416), (5970, 65216), (6114, 63680), (6368, 61140), (7960, 48912), (8152, 47760), (9552, 40760), (10190, 38208), (11940, 32608), (12228, 31840), (12736, 30570), (15285, 25472), (15920, 24456), (16304, 23880), (19104, 20380)]