81939870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1933}}^1$

素因数の和:2106

約数の個数: 64

約数和(自身を含む): 220011840

約数和(自身を除く): 138071970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 157, 270, 314, 471, 785, 942, 1413, 1570, 1933, 2355, 2826, 3866, 4239, 4710, 5799, 7065, 8478, 9665, 11598, 14130, 17397, 19330, 21195, 28995, 34794, 42390, 52191, 57990, 86985, 104382, 173970, 260955, 303481, 521910, 606962, 910443, 1517405, 1820886, 2731329, 3034810, 4552215, 5462658, 8193987, 9104430, 13656645, 16387974, 27313290, 40969935, 81939870]

約数ペア:

[(1, 81939870), (2, 40969935), (3, 27313290), (5, 16387974), (6, 13656645), (9, 9104430), (10, 8193987), (15, 5462658), (18, 4552215), (27, 3034810), (30, 2731329), (45, 1820886), (54, 1517405), (90, 910443), (135, 606962), (157, 521910), (270, 303481), (314, 260955), (471, 173970), (785, 104382), (942, 86985), (1413, 57990), (1570, 52191), (1933, 42390), (2355, 34794), (2826, 28995), (3866, 21195), (4239, 19330), (4710, 17397), (5799, 14130), (7065, 11598), (8478, 9665)]