31071540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4751}}^1$

素因数の和:4872

約数の個数: 48

約数和(自身を含む): 87816960

約数和(自身を除く): 56745420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 4751, 6540, 9502, 14253, 19004, 23755, 28506, 47510, 57012, 71265, 95020, 142530, 285060, 517859, 1035718, 1553577, 2071436, 2589295, 3107154, 5178590, 6214308, 7767885, 10357180, 15535770, 31071540]

約数ペア:

[(1, 31071540), (2, 15535770), (3, 10357180), (4, 7767885), (5, 6214308), (6, 5178590), (10, 3107154), (12, 2589295), (15, 2071436), (20, 1553577), (30, 1035718), (60, 517859), (109, 285060), (218, 142530), (327, 95020), (436, 71265), (545, 57012), (654, 47510), (1090, 28506), (1308, 23755), (1635, 19004), (2180, 14253), (3270, 9502), (4751, 6540)]