72240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1$

素因数の和:66

約数の個数: 80

約数和(自身を含む): 261888

約数和(自身を除く): 189648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 860, 903, 1032, 1204, 1290, 1505, 1680, 1720, 1806, 2064, 2408, 2580, 3010, 3440, 3612, 4515, 4816, 5160, 6020, 7224, 9030, 10320, 12040, 14448, 18060, 24080, 36120, 72240]

約数ペア:

[(1, 72240), (2, 36120), (3, 24080), (4, 18060), (5, 14448), (6, 12040), (7, 10320), (8, 9030), (10, 7224), (12, 6020), (14, 5160), (15, 4816), (16, 4515), (20, 3612), (21, 3440), (24, 3010), (28, 2580), (30, 2408), (35, 2064), (40, 1806), (42, 1720), (43, 1680), (48, 1505), (56, 1290), (60, 1204), (70, 1032), (80, 903), (84, 860), (86, 840), (105, 688), (112, 645), (120, 602), (129, 560), (140, 516), (168, 430), (172, 420), (210, 344), (215, 336), (240, 301), (258, 280)]