320428620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 996323328

約数和(自身を除く): 675894708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 127, 131, 180, 214, 254, 262, 321, 381, 393, 428, 508, 524, 535, 635, 642, 655, 762, 786, 963, 1070, 1143, 1179, 1270, 1284, 1310, 1524, 1572, 1605, 1905, 1926, 1965, 2140, 2286, 2358, 2540, 2620, 3210, 3810, 3852, 3930, 4572, 4716, 4815, 5715, 5895, 6420, 7620, 7860, 9630, 11430, 11790, 13589, 14017, 16637, 19260, 22860, 23580, 27178, 28034, 33274, 40767, 42051, 49911, 54356, 56068, 66548, 67945, 70085, 81534, 83185, 84102, 99822, 122301, 126153, 135890, 140170, 149733, 163068, 166370, 168204, 199644, 203835, 210255, 244602, 249555, 252306, 271780, 280340, 299466, 332740, 407670, 420510, 489204, 499110, 504612, 598932, 611505, 630765, 748665, 815340, 841020, 998220, 1223010, 1261530, 1497330, 1780159, 2446020, 2523060, 2994660, 3560318, 5340477, 7120636, 8900795, 10680954, 16021431, 17801590, 21361908, 26702385, 32042862, 35603180, 53404770, 64085724, 80107155, 106809540, 160214310, 320428620]

約数ペア:

[(1, 320428620), (2, 160214310), (3, 106809540), (4, 80107155), (5, 64085724), (6, 53404770), (9, 35603180), (10, 32042862), (12, 26702385), (15, 21361908), (18, 17801590), (20, 16021431), (30, 10680954), (36, 8900795), (45, 7120636), (60, 5340477), (90, 3560318), (107, 2994660), (127, 2523060), (131, 2446020), (180, 1780159), (214, 1497330), (254, 1261530), (262, 1223010), (321, 998220), (381, 841020), (393, 815340), (428, 748665), (508, 630765), (524, 611505), (535, 598932), (635, 504612), (642, 499110), (655, 489204), (762, 420510), (786, 407670), (963, 332740), (1070, 299466), (1143, 280340), (1179, 271780), (1270, 252306), (1284, 249555), (1310, 244602), (1524, 210255), (1572, 203835), (1605, 199644), (1905, 168204), (1926, 166370), (1965, 163068), (2140, 149733), (2286, 140170), (2358, 135890), (2540, 126153), (2620, 122301), (3210, 99822), (3810, 84102), (3852, 83185), (3930, 81534), (4572, 70085), (4716, 67945), (4815, 66548), (5715, 56068), (5895, 54356), (6420, 49911), (7620, 42051), (7860, 40767), (9630, 33274), (11430, 28034), (11790, 27178), (13589, 23580), (14017, 22860), (16637, 19260)]