78433520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4691}}^1$

素因数の和:4734

約数の個数: 80

約数和(自身を含む): 209450880

約数和(自身を除く): 131017360

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, 4180, 4691, 8360, 9382, 16720, 18764, 23455, 37528, 46910, 51601, 75056, 89129, 93820, 103202, 178258, 187640, 206404, 258005, 356516, 375280, 412808, 445645, 516010, 713032, 825616, 891290, 980419, 1032020, 1426064, 1782580, 1960838, 2064040, 3565160, 3921676, 4128080, 4902095, 7130320, 7843352, 9804190, 15686704, 19608380, 39216760, 78433520]

約数ペア:

[(1, 78433520), (2, 39216760), (4, 19608380), (5, 15686704), (8, 9804190), (10, 7843352), (11, 7130320), (16, 4902095), (19, 4128080), (20, 3921676), (22, 3565160), (38, 2064040), (40, 1960838), (44, 1782580), (55, 1426064), (76, 1032020), (80, 980419), (88, 891290), (95, 825616), (110, 713032), (152, 516010), (176, 445645), (190, 412808), (209, 375280), (220, 356516), (304, 258005), (380, 206404), (418, 187640), (440, 178258), (760, 103202), (836, 93820), (880, 89129), (1045, 75056), (1520, 51601), (1672, 46910), (2090, 37528), (3344, 23455), (4180, 18764), (4691, 16720), (8360, 9382)]