81174840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35603}}^1$

素因数の和:35636

約数の個数: 64

約数和(自身を含む): 256348800

約数和(自身を除く): 175173960

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, 35603, 71206, 106809, 142412, 178015, 213618, 284824, 356030, 427236, 534045, 676457, 712060, 854472, 1068090, 1352914, 1424120, 2029371, 2136180, 2705828, 3382285, 4058742, 4272360, 5411656, 6764570, 8117484, 10146855, 13529140, 16234968, 20293710, 27058280, 40587420, 81174840]

約数ペア:

[(1, 81174840), (2, 40587420), (3, 27058280), (4, 20293710), (5, 16234968), (6, 13529140), (8, 10146855), (10, 8117484), (12, 6764570), (15, 5411656), (19, 4272360), (20, 4058742), (24, 3382285), (30, 2705828), (38, 2136180), (40, 2029371), (57, 1424120), (60, 1352914), (76, 1068090), (95, 854472), (114, 712060), (120, 676457), (152, 534045), (190, 427236), (228, 356030), (285, 284824), (380, 213618), (456, 178015), (570, 142412), (760, 106809), (1140, 71206), (2280, 35603)]