171844640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:666

約数の個数: 96

約数和(自身を含む): 445798080

約数和(自身を除く): 273953440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 251, 352, 389, 440, 502, 778, 880, 1004, 1255, 1556, 1760, 1945, 2008, 2510, 2761, 3112, 3890, 4016, 4279, 5020, 5522, 6224, 7780, 8032, 8558, 10040, 11044, 12448, 13805, 15560, 17116, 20080, 21395, 22088, 27610, 31120, 34232, 40160, 42790, 44176, 55220, 62240, 68464, 85580, 88352, 97639, 110440, 136928, 171160, 195278, 220880, 342320, 390556, 441760, 488195, 684640, 781112, 976390, 1074029, 1562224, 1952780, 2148058, 3124448, 3905560, 4296116, 5370145, 7811120, 8592232, 10740290, 15622240, 17184464, 21480580, 34368928, 42961160, 85922320, 171844640]

約数ペア:

[(1, 171844640), (2, 85922320), (4, 42961160), (5, 34368928), (8, 21480580), (10, 17184464), (11, 15622240), (16, 10740290), (20, 8592232), (22, 7811120), (32, 5370145), (40, 4296116), (44, 3905560), (55, 3124448), (80, 2148058), (88, 1952780), (110, 1562224), (160, 1074029), (176, 976390), (220, 781112), (251, 684640), (352, 488195), (389, 441760), (440, 390556), (502, 342320), (778, 220880), (880, 195278), (1004, 171160), (1255, 136928), (1556, 110440), (1760, 97639), (1945, 88352), (2008, 85580), (2510, 68464), (2761, 62240), (3112, 55220), (3890, 44176), (4016, 42790), (4279, 40160), (5020, 34232), (5522, 31120), (6224, 27610), (7780, 22088), (8032, 21395), (8558, 20080), (10040, 17116), (11044, 15560), (12448, 13805)]