31438920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13789}}^1$

素因数の和:13822

約数の個数: 64

約数和(自身を含む): 99288000

約数和(自身を除く): 67849080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 13789, 27578, 41367, 55156, 68945, 82734, 110312, 137890, 165468, 206835, 261991, 275780, 330936, 413670, 523982, 551560, 785973, 827340, 1047964, 1309955, 1571946, 1654680, 2095928, 2619910, 3143892, 3929865, 5239820, 6287784, 7859730, 10479640, 15719460, 31438920]

約数ペア:

[(1, 31438920), (2, 15719460), (3, 10479640), (4, 7859730), (5, 6287784), (6, 5239820), (8, 3929865), (10, 3143892), (12, 2619910), (15, 2095928), (19, 1654680), (20, 1571946), (24, 1309955), (30, 1047964), (38, 827340), (40, 785973), (57, 551560), (60, 523982), (76, 413670), (95, 330936), (114, 275780), (120, 261991), (152, 206835), (190, 165468), (228, 137890), (285, 110312), (380, 82734), (456, 68945), (570, 55156), (760, 41367), (1140, 27578), (2280, 13789)]