213518080

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5381}}^1$

素因数の和:5433

約数の個数: 72

約数和(自身を含む): 528038784

約数和(自身を除く): 314520704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 5381, 7936, 9920, 10762, 19840, 21524, 26905, 39680, 43048, 53810, 86096, 107620, 166811, 172192, 215240, 333622, 344384, 430480, 667244, 688768, 834055, 860960, 1334488, 1377536, 1668110, 1721920, 2668976, 3336220, 3443840, 5337952, 6672440, 6887680, 10675904, 13344880, 21351808, 26689760, 42703616, 53379520, 106759040, 213518080]

約数ペア:

[(1, 213518080), (2, 106759040), (4, 53379520), (5, 42703616), (8, 26689760), (10, 21351808), (16, 13344880), (20, 10675904), (31, 6887680), (32, 6672440), (40, 5337952), (62, 3443840), (64, 3336220), (80, 2668976), (124, 1721920), (128, 1668110), (155, 1377536), (160, 1334488), (248, 860960), (256, 834055), (310, 688768), (320, 667244), (496, 430480), (620, 344384), (640, 333622), (992, 215240), (1240, 172192), (1280, 166811), (1984, 107620), (2480, 86096), (3968, 53810), (4960, 43048), (5381, 39680), (7936, 26905), (9920, 21524), (10762, 19840)]