140182140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47681}}^1$

素因数の和:47707

約数の個数: 72

約数和(自身を含む): 456602832

約数和(自身を除く): 316420692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 47681, 95362, 143043, 190724, 238405, 286086, 333767, 476810, 572172, 667534, 715215, 953620, 1001301, 1335068, 1430430, 1668835, 2002602, 2336369, 2860860, 3337670, 4005204, 4672738, 5006505, 6675340, 7009107, 9345476, 10013010, 11681845, 14018214, 20026020, 23363690, 28036428, 35045535, 46727380, 70091070, 140182140]

約数ペア:

[(1, 140182140), (2, 70091070), (3, 46727380), (4, 35045535), (5, 28036428), (6, 23363690), (7, 20026020), (10, 14018214), (12, 11681845), (14, 10013010), (15, 9345476), (20, 7009107), (21, 6675340), (28, 5006505), (30, 4672738), (35, 4005204), (42, 3337670), (49, 2860860), (60, 2336369), (70, 2002602), (84, 1668835), (98, 1430430), (105, 1335068), (140, 1001301), (147, 953620), (196, 715215), (210, 667534), (245, 572172), (294, 476810), (420, 333767), (490, 286086), (588, 238405), (735, 190724), (980, 143043), (1470, 95362), (2940, 47681)]