68735920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4111}}^1$

素因数の和:4154

約数の個数: 80

約数和(自身を含む): 183559680

約数和(自身を除く): 114823760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4111, 4180, 8222, 8360, 16444, 16720, 20555, 32888, 41110, 45221, 65776, 78109, 82220, 90442, 156218, 164440, 180884, 226105, 312436, 328880, 361768, 390545, 452210, 624872, 723536, 781090, 859199, 904420, 1249744, 1562180, 1718398, 1808840, 3124360, 3436796, 3617680, 4295995, 6248720, 6873592, 8591990, 13747184, 17183980, 34367960, 68735920]

約数ペア:

[(1, 68735920), (2, 34367960), (4, 17183980), (5, 13747184), (8, 8591990), (10, 6873592), (11, 6248720), (16, 4295995), (19, 3617680), (20, 3436796), (22, 3124360), (38, 1808840), (40, 1718398), (44, 1562180), (55, 1249744), (76, 904420), (80, 859199), (88, 781090), (95, 723536), (110, 624872), (152, 452210), (176, 390545), (190, 361768), (209, 328880), (220, 312436), (304, 226105), (380, 180884), (418, 164440), (440, 156218), (760, 90442), (836, 82220), (880, 78109), (1045, 65776), (1520, 45221), (1672, 41110), (2090, 32888), (3344, 20555), (4111, 16720), (4180, 16444), (8222, 8360)]