9931719520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{20809}}^1$

素因数の和:21000

約数の個数: 96

約数和(自身を含む): 24857128800

約数和(自身を除く): 14925409280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 157, 160, 190, 304, 314, 380, 608, 628, 760, 785, 1256, 1520, 1570, 2512, 2983, 3040, 3140, 5024, 5966, 6280, 11932, 12560, 14915, 20809, 23864, 25120, 29830, 41618, 47728, 59660, 83236, 95456, 104045, 119320, 166472, 208090, 238640, 332944, 395371, 416180, 477280, 665888, 790742, 832360, 1581484, 1664720, 1976855, 3162968, 3267013, 3329440, 3953710, 6325936, 6534026, 7907420, 12651872, 13068052, 15814840, 16335065, 26136104, 31629680, 32670130, 52272208, 62073247, 63259360, 65340260, 104544416, 124146494, 130680520, 248292988, 261361040, 310366235, 496585976, 522722080, 620732470, 993171952, 1241464940, 1986343904, 2482929880, 4965859760, 9931719520]

約数ペア:

[(1, 9931719520), (2, 4965859760), (4, 2482929880), (5, 1986343904), (8, 1241464940), (10, 993171952), (16, 620732470), (19, 522722080), (20, 496585976), (32, 310366235), (38, 261361040), (40, 248292988), (76, 130680520), (80, 124146494), (95, 104544416), (152, 65340260), (157, 63259360), (160, 62073247), (190, 52272208), (304, 32670130), (314, 31629680), (380, 26136104), (608, 16335065), (628, 15814840), (760, 13068052), (785, 12651872), (1256, 7907420), (1520, 6534026), (1570, 6325936), (2512, 3953710), (2983, 3329440), (3040, 3267013), (3140, 3162968), (5024, 1976855), (5966, 1664720), (6280, 1581484), (11932, 832360), (12560, 790742), (14915, 665888), (20809, 477280), (23864, 416180), (25120, 395371), (29830, 332944), (41618, 238640), (47728, 208090), (59660, 166472), (83236, 119320), (95456, 104045)]