72578740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 167401080

約数和(自身を除く): 94822340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 169, 197, 218, 260, 338, 394, 436, 545, 676, 788, 845, 985, 1090, 1417, 1690, 1970, 2180, 2561, 2834, 3380, 3940, 5122, 5668, 7085, 10244, 12805, 14170, 18421, 21473, 25610, 28340, 33293, 36842, 42946, 51220, 66586, 73684, 85892, 92105, 107365, 133172, 166465, 184210, 214730, 279149, 332930, 368420, 429460, 558298, 665860, 1116596, 1395745, 2791490, 3628937, 5582980, 7257874, 14515748, 18144685, 36289370, 72578740]

約数ペア:

[(1, 72578740), (2, 36289370), (4, 18144685), (5, 14515748), (10, 7257874), (13, 5582980), (20, 3628937), (26, 2791490), (52, 1395745), (65, 1116596), (109, 665860), (130, 558298), (169, 429460), (197, 368420), (218, 332930), (260, 279149), (338, 214730), (394, 184210), (436, 166465), (545, 133172), (676, 107365), (788, 92105), (845, 85892), (985, 73684), (1090, 66586), (1417, 51220), (1690, 42946), (1970, 36842), (2180, 33293), (2561, 28340), (2834, 25610), (3380, 21473), (3940, 18421), (5122, 14170), (5668, 12805), (7085, 10244)]