71011980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30347}}^1$

素因数の和:30375

約数の個数: 72

約数和(自身を含む): 231980112

約数和(自身を除く): 160968132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 30347, 60694, 91041, 121388, 151735, 182082, 273123, 303470, 364164, 394511, 455205, 546246, 606940, 789022, 910410, 1092492, 1183533, 1365615, 1578044, 1820820, 1972555, 2367066, 2731230, 3550599, 3945110, 4734132, 5462460, 5917665, 7101198, 7890220, 11835330, 14202396, 17752995, 23670660, 35505990, 71011980]

約数ペア:

[(1, 71011980), (2, 35505990), (3, 23670660), (4, 17752995), (5, 14202396), (6, 11835330), (9, 7890220), (10, 7101198), (12, 5917665), (13, 5462460), (15, 4734132), (18, 3945110), (20, 3550599), (26, 2731230), (30, 2367066), (36, 1972555), (39, 1820820), (45, 1578044), (52, 1365615), (60, 1183533), (65, 1092492), (78, 910410), (90, 789022), (117, 606940), (130, 546246), (156, 455205), (180, 394511), (195, 364164), (234, 303470), (260, 273123), (390, 182082), (468, 151735), (585, 121388), (780, 91041), (1170, 60694), (2340, 30347)]