72408840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86201}}^1$

素因数の和:86222

約数の個数: 64

約数和(自身を含む): 248261760

約数和(自身を除く): 175852920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 86201, 172402, 258603, 344804, 431005, 517206, 603407, 689608, 862010, 1034412, 1206814, 1293015, 1724020, 1810221, 2068824, 2413628, 2586030, 3017035, 3448040, 3620442, 4827256, 5172060, 6034070, 7240884, 9051105, 10344120, 12068140, 14481768, 18102210, 24136280, 36204420, 72408840]

約数ペア:

[(1, 72408840), (2, 36204420), (3, 24136280), (4, 18102210), (5, 14481768), (6, 12068140), (7, 10344120), (8, 9051105), (10, 7240884), (12, 6034070), (14, 5172060), (15, 4827256), (20, 3620442), (21, 3448040), (24, 3017035), (28, 2586030), (30, 2413628), (35, 2068824), (40, 1810221), (42, 1724020), (56, 1293015), (60, 1206814), (70, 1034412), (84, 862010), (105, 689608), (120, 603407), (140, 517206), (168, 431005), (210, 344804), (280, 258603), (420, 172402), (840, 86201)]