398797440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3919}}^1$

素因数の和:3994

約数の個数: 128

約数和(自身を含む): 1295481600

約数和(自身を除く): 896684160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 265, 318, 320, 384, 424, 480, 530, 636, 640, 795, 848, 960, 1060, 1272, 1590, 1696, 1920, 2120, 2544, 3180, 3392, 3919, 4240, 5088, 6360, 6784, 7838, 8480, 10176, 11757, 12720, 15676, 16960, 19595, 20352, 23514, 25440, 31352, 33920, 39190, 47028, 50880, 58785, 62704, 78380, 94056, 101760, 117570, 125408, 156760, 188112, 207707, 235140, 250816, 313520, 376224, 415414, 470280, 501632, 623121, 627040, 752448, 830828, 940560, 1038535, 1246242, 1254080, 1504896, 1661656, 1881120, 2077070, 2492484, 2508160, 3115605, 3323312, 3762240, 4154140, 4984968, 6231210, 6646624, 7524480, 8308280, 9969936, 12462420, 13293248, 16616560, 19939872, 24924840, 26586496, 33233120, 39879744, 49849680, 66466240, 79759488, 99699360, 132932480, 199398720, 398797440]

約数ペア:

[(1, 398797440), (2, 199398720), (3, 132932480), (4, 99699360), (5, 79759488), (6, 66466240), (8, 49849680), (10, 39879744), (12, 33233120), (15, 26586496), (16, 24924840), (20, 19939872), (24, 16616560), (30, 13293248), (32, 12462420), (40, 9969936), (48, 8308280), (53, 7524480), (60, 6646624), (64, 6231210), (80, 4984968), (96, 4154140), (106, 3762240), (120, 3323312), (128, 3115605), (159, 2508160), (160, 2492484), (192, 2077070), (212, 1881120), (240, 1661656), (265, 1504896), (318, 1254080), (320, 1246242), (384, 1038535), (424, 940560), (480, 830828), (530, 752448), (636, 627040), (640, 623121), (795, 501632), (848, 470280), (960, 415414), (1060, 376224), (1272, 313520), (1590, 250816), (1696, 235140), (1920, 207707), (2120, 188112), (2544, 156760), (3180, 125408), (3392, 117570), (3919, 101760), (4240, 94056), (5088, 78380), (6360, 62704), (6784, 58785), (7838, 50880), (8480, 47028), (10176, 39190), (11757, 33920), (12720, 31352), (15676, 25440), (16960, 23514), (19595, 20352)]