40720120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6323}}^1$

素因数の和:6364

約数の個数: 64

約数和(自身を含む): 109278720

約数和(自身を除く): 68558600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6323, 6440, 12646, 25292, 31615, 44261, 50584, 63230, 88522, 126460, 145429, 177044, 221305, 252920, 290858, 354088, 442610, 581716, 727145, 885220, 1018003, 1163432, 1454290, 1770440, 2036006, 2908580, 4072012, 5090015, 5817160, 8144024, 10180030, 20360060, 40720120]

約数ペア:

[(1, 40720120), (2, 20360060), (4, 10180030), (5, 8144024), (7, 5817160), (8, 5090015), (10, 4072012), (14, 2908580), (20, 2036006), (23, 1770440), (28, 1454290), (35, 1163432), (40, 1018003), (46, 885220), (56, 727145), (70, 581716), (92, 442610), (115, 354088), (140, 290858), (161, 252920), (184, 221305), (230, 177044), (280, 145429), (322, 126460), (460, 88522), (644, 63230), (805, 50584), (920, 44261), (1288, 31615), (1610, 25292), (3220, 12646), (6323, 6440)]