1321915360

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:788

約数の個数: 96

約数和(自身を含む): 3187810080

約数和(自身を除く): 1865894720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 317, 335, 389, 536, 634, 670, 778, 1072, 1268, 1340, 1556, 1585, 1945, 2144, 2536, 2680, 3112, 3170, 3890, 5072, 5360, 6224, 6340, 7780, 10144, 10720, 12448, 12680, 15560, 21239, 25360, 26063, 31120, 42478, 50720, 52126, 62240, 84956, 104252, 106195, 123313, 130315, 169912, 208504, 212390, 246626, 260630, 339824, 417008, 424780, 493252, 521260, 616565, 679648, 834016, 849560, 986504, 1042520, 1233130, 1699120, 1973008, 2085040, 2466260, 3398240, 3946016, 4170080, 4932520, 8261971, 9865040, 16523942, 19730080, 33047884, 41309855, 66095768, 82619710, 132191536, 165239420, 264383072, 330478840, 660957680, 1321915360]

約数ペア:

[(1, 1321915360), (2, 660957680), (4, 330478840), (5, 264383072), (8, 165239420), (10, 132191536), (16, 82619710), (20, 66095768), (32, 41309855), (40, 33047884), (67, 19730080), (80, 16523942), (134, 9865040), (160, 8261971), (268, 4932520), (317, 4170080), (335, 3946016), (389, 3398240), (536, 2466260), (634, 2085040), (670, 1973008), (778, 1699120), (1072, 1233130), (1268, 1042520), (1340, 986504), (1556, 849560), (1585, 834016), (1945, 679648), (2144, 616565), (2536, 521260), (2680, 493252), (3112, 424780), (3170, 417008), (3890, 339824), (5072, 260630), (5360, 246626), (6224, 212390), (6340, 208504), (7780, 169912), (10144, 130315), (10720, 123313), (12448, 106195), (12680, 104252), (15560, 84956), (21239, 62240), (25360, 52126), (26063, 50720), (31120, 42478)]