80757780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20089}}^1$

素因数の和:20168

約数の個数: 48

約数和(自身を含む): 229508160

約数和(自身を除く): 148750380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 20089, 40178, 60267, 80356, 100445, 120534, 200890, 241068, 301335, 401780, 602670, 1205340, 1345963, 2691926, 4037889, 5383852, 6729815, 8075778, 13459630, 16151556, 20189445, 26919260, 40378890, 80757780]

約数ペア:

[(1, 80757780), (2, 40378890), (3, 26919260), (4, 20189445), (5, 16151556), (6, 13459630), (10, 8075778), (12, 6729815), (15, 5383852), (20, 4037889), (30, 2691926), (60, 1345963), (67, 1205340), (134, 602670), (201, 401780), (268, 301335), (335, 241068), (402, 200890), (670, 120534), (804, 100445), (1005, 80356), (1340, 60267), (2010, 40178), (4020, 20089)]