51115860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 120

約数和(自身を含む): 162217440

約数和(自身を除く): 111101580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 139, 162, 180, 227, 270, 278, 324, 405, 417, 454, 540, 556, 681, 695, 810, 834, 908, 1135, 1251, 1362, 1390, 1620, 1668, 2043, 2085, 2270, 2502, 2724, 2780, 3405, 3753, 4086, 4170, 4540, 5004, 6129, 6255, 6810, 7506, 8172, 8340, 10215, 11259, 12258, 12510, 13620, 15012, 18387, 18765, 20430, 22518, 24516, 25020, 30645, 31553, 36774, 37530, 40860, 45036, 56295, 61290, 63106, 73548, 75060, 91935, 94659, 112590, 122580, 126212, 157765, 183870, 189318, 225180, 283977, 315530, 367740, 378636, 473295, 567954, 631060, 851931, 946590, 1135908, 1419885, 1703862, 1893180, 2555793, 2839770, 3407724, 4259655, 5111586, 5679540, 8519310, 10223172, 12778965, 17038620, 25557930, 51115860]

約数ペア:

[(1, 51115860), (2, 25557930), (3, 17038620), (4, 12778965), (5, 10223172), (6, 8519310), (9, 5679540), (10, 5111586), (12, 4259655), (15, 3407724), (18, 2839770), (20, 2555793), (27, 1893180), (30, 1703862), (36, 1419885), (45, 1135908), (54, 946590), (60, 851931), (81, 631060), (90, 567954), (108, 473295), (135, 378636), (139, 367740), (162, 315530), (180, 283977), (227, 225180), (270, 189318), (278, 183870), (324, 157765), (405, 126212), (417, 122580), (454, 112590), (540, 94659), (556, 91935), (681, 75060), (695, 73548), (810, 63106), (834, 61290), (908, 56295), (1135, 45036), (1251, 40860), (1362, 37530), (1390, 36774), (1620, 31553), (1668, 30645), (2043, 25020), (2085, 24516), (2270, 22518), (2502, 20430), (2724, 18765), (2780, 18387), (3405, 15012), (3753, 13620), (4086, 12510), (4170, 12258), (4540, 11259), (5004, 10215), (6129, 8340), (6255, 8172), (6810, 7506)]