1520932720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1\times {\mathrm{911}}^1$

素因数の和:1474

約数の個数: 80

約数和(自身を含む): 3633517440

約数和(自身を除く): 2112584720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 509, 656, 820, 911, 1018, 1640, 1822, 2036, 2545, 3280, 3644, 4072, 4555, 5090, 7288, 8144, 9110, 10180, 14576, 18220, 20360, 20869, 36440, 37351, 40720, 41738, 72880, 74702, 83476, 104345, 149404, 166952, 186755, 208690, 298808, 333904, 373510, 417380, 463699, 597616, 747020, 834760, 927398, 1494040, 1669520, 1854796, 2318495, 2988080, 3709592, 4636990, 7419184, 9273980, 18547960, 19011659, 37095920, 38023318, 76046636, 95058295, 152093272, 190116590, 304186544, 380233180, 760466360, 1520932720]

約数ペア:

[(1, 1520932720), (2, 760466360), (4, 380233180), (5, 304186544), (8, 190116590), (10, 152093272), (16, 95058295), (20, 76046636), (40, 38023318), (41, 37095920), (80, 19011659), (82, 18547960), (164, 9273980), (205, 7419184), (328, 4636990), (410, 3709592), (509, 2988080), (656, 2318495), (820, 1854796), (911, 1669520), (1018, 1494040), (1640, 927398), (1822, 834760), (2036, 747020), (2545, 597616), (3280, 463699), (3644, 417380), (4072, 373510), (4555, 333904), (5090, 298808), (7288, 208690), (8144, 186755), (9110, 166952), (10180, 149404), (14576, 104345), (18220, 83476), (20360, 74702), (20869, 72880), (36440, 41738), (37351, 40720)]