321031600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:887

約数の個数: 120

約数和(自身を含む): 828228240

約数和(自身を除く): 507196640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 53, 76, 80, 95, 100, 106, 152, 190, 200, 212, 265, 304, 380, 400, 424, 475, 530, 760, 797, 848, 950, 1007, 1060, 1325, 1520, 1594, 1900, 2014, 2120, 2650, 3188, 3800, 3985, 4028, 4240, 5035, 5300, 6376, 7600, 7970, 8056, 10070, 10600, 12752, 15143, 15940, 16112, 19925, 20140, 21200, 25175, 30286, 31880, 39850, 40280, 42241, 50350, 60572, 63760, 75715, 79700, 80560, 84482, 100700, 121144, 151430, 159400, 168964, 201400, 211205, 242288, 302860, 318800, 337928, 378575, 402800, 422410, 605720, 675856, 757150, 802579, 844820, 1056025, 1211440, 1514300, 1605158, 1689640, 2112050, 3028600, 3210316, 3379280, 4012895, 4224100, 6057200, 6420632, 8025790, 8448200, 12841264, 16051580, 16896400, 20064475, 32103160, 40128950, 64206320, 80257900, 160515800, 321031600]

約数ペア:

[(1, 321031600), (2, 160515800), (4, 80257900), (5, 64206320), (8, 40128950), (10, 32103160), (16, 20064475), (19, 16896400), (20, 16051580), (25, 12841264), (38, 8448200), (40, 8025790), (50, 6420632), (53, 6057200), (76, 4224100), (80, 4012895), (95, 3379280), (100, 3210316), (106, 3028600), (152, 2112050), (190, 1689640), (200, 1605158), (212, 1514300), (265, 1211440), (304, 1056025), (380, 844820), (400, 802579), (424, 757150), (475, 675856), (530, 605720), (760, 422410), (797, 402800), (848, 378575), (950, 337928), (1007, 318800), (1060, 302860), (1325, 242288), (1520, 211205), (1594, 201400), (1900, 168964), (2014, 159400), (2120, 151430), (2650, 121144), (3188, 100700), (3800, 84482), (3985, 80560), (4028, 79700), (4240, 75715), (5035, 63760), (5300, 60572), (6376, 50350), (7600, 42241), (7970, 40280), (8056, 39850), (10070, 31880), (10600, 30286), (12752, 25175), (15143, 21200), (15940, 20140), (16112, 19925)]