77280

素因数分解:

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

素因数の和:48

約数の個数: 96

約数和(自身を含む): 290304

約数和(自身を除く): 213024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 840, 920, 966, 1104, 1120, 1288, 1380, 1610, 1680, 1840, 1932, 2208, 2415, 2576, 2760, 3220, 3360, 3680, 3864, 4830, 5152, 5520, 6440, 7728, 9660, 11040, 12880, 15456, 19320, 25760, 38640, 77280]

約数ペア:

[(1, 77280), (2, 38640), (3, 25760), (4, 19320), (5, 15456), (6, 12880), (7, 11040), (8, 9660), (10, 7728), (12, 6440), (14, 5520), (15, 5152), (16, 4830), (20, 3864), (21, 3680), (23, 3360), (24, 3220), (28, 2760), (30, 2576), (32, 2415), (35, 2208), (40, 1932), (42, 1840), (46, 1680), (48, 1610), (56, 1380), (60, 1288), (69, 1120), (70, 1104), (80, 966), (84, 920), (92, 840), (96, 805), (105, 736), (112, 690), (115, 672), (120, 644), (138, 560), (140, 552), (160, 483), (161, 480), (168, 460), (184, 420), (210, 368), (224, 345), (230, 336), (240, 322), (276, 280)]