680804960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20359}}^1$

素因数の和:20404

約数の個数: 96

約数和(自身を含む): 1847059200

約数和(自身を除く): 1166254240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 608, 760, 836, 880, 1045, 1520, 1672, 1760, 2090, 3040, 3344, 4180, 6688, 8360, 16720, 20359, 33440, 40718, 81436, 101795, 162872, 203590, 223949, 325744, 386821, 407180, 447898, 651488, 773642, 814360, 895796, 1119745, 1547284, 1628720, 1791592, 1934105, 2239490, 3094568, 3257440, 3583184, 3868210, 4255031, 4478980, 6189136, 7166368, 7736420, 8510062, 8957960, 12378272, 15472840, 17020124, 17915920, 21275155, 30945680, 34040248, 35831840, 42550310, 61891360, 68080496, 85100620, 136160992, 170201240, 340402480, 680804960]

約数ペア:

[(1, 680804960), (2, 340402480), (4, 170201240), (5, 136160992), (8, 85100620), (10, 68080496), (11, 61891360), (16, 42550310), (19, 35831840), (20, 34040248), (22, 30945680), (32, 21275155), (38, 17915920), (40, 17020124), (44, 15472840), (55, 12378272), (76, 8957960), (80, 8510062), (88, 7736420), (95, 7166368), (110, 6189136), (152, 4478980), (160, 4255031), (176, 3868210), (190, 3583184), (209, 3257440), (220, 3094568), (304, 2239490), (352, 1934105), (380, 1791592), (418, 1628720), (440, 1547284), (608, 1119745), (760, 895796), (836, 814360), (880, 773642), (1045, 651488), (1520, 447898), (1672, 407180), (1760, 386821), (2090, 325744), (3040, 223949), (3344, 203590), (4180, 162872), (6688, 101795), (8360, 81436), (16720, 40718), (20359, 33440)]