38640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1$

素因数の和:46

約数の個数: 80

約数和(自身を含む): 142848

約数和(自身を除く): 104208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2415, 2576, 2760, 3220, 3864, 4830, 5520, 6440, 7728, 9660, 12880, 19320, 38640]

約数ペア:

[(1, 38640), (2, 19320), (3, 12880), (4, 9660), (5, 7728), (6, 6440), (7, 5520), (8, 4830), (10, 3864), (12, 3220), (14, 2760), (15, 2576), (16, 2415), (20, 1932), (21, 1840), (23, 1680), (24, 1610), (28, 1380), (30, 1288), (35, 1104), (40, 966), (42, 920), (46, 840), (48, 805), (56, 690), (60, 644), (69, 560), (70, 552), (80, 483), (84, 460), (92, 420), (105, 368), (112, 345), (115, 336), (120, 322), (138, 280), (140, 276), (161, 240), (168, 230), (184, 210)]