1247995080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8821}}^1$

素因数の和:8972

約数の個数: 128

約数和(自身を含む): 4192214400

約数和(自身を除く): 2944219320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 131, 135, 180, 216, 262, 270, 360, 393, 524, 540, 655, 786, 1048, 1080, 1179, 1310, 1572, 1965, 2358, 2620, 3144, 3537, 3930, 4716, 5240, 5895, 7074, 7860, 8821, 9432, 11790, 14148, 15720, 17642, 17685, 23580, 26463, 28296, 35284, 35370, 44105, 47160, 52926, 70568, 70740, 79389, 88210, 105852, 132315, 141480, 158778, 176420, 211704, 238167, 264630, 317556, 352840, 396945, 476334, 529260, 635112, 793890, 952668, 1058520, 1155551, 1190835, 1587780, 1905336, 2311102, 2381670, 3175560, 3466653, 4622204, 4763340, 5777755, 6933306, 9244408, 9526680, 10399959, 11555510, 13866612, 17333265, 20799918, 23111020, 27733224, 31199877, 34666530, 41599836, 46222040, 51999795, 62399754, 69333060, 83199672, 103999590, 124799508, 138666120, 155999385, 207999180, 249599016, 311998770, 415998360, 623997540, 1247995080]

約数ペア:

[(1, 1247995080), (2, 623997540), (3, 415998360), (4, 311998770), (5, 249599016), (6, 207999180), (8, 155999385), (9, 138666120), (10, 124799508), (12, 103999590), (15, 83199672), (18, 69333060), (20, 62399754), (24, 51999795), (27, 46222040), (30, 41599836), (36, 34666530), (40, 31199877), (45, 27733224), (54, 23111020), (60, 20799918), (72, 17333265), (90, 13866612), (108, 11555510), (120, 10399959), (131, 9526680), (135, 9244408), (180, 6933306), (216, 5777755), (262, 4763340), (270, 4622204), (360, 3466653), (393, 3175560), (524, 2381670), (540, 2311102), (655, 1905336), (786, 1587780), (1048, 1190835), (1080, 1155551), (1179, 1058520), (1310, 952668), (1572, 793890), (1965, 635112), (2358, 529260), (2620, 476334), (3144, 396945), (3537, 352840), (3930, 317556), (4716, 264630), (5240, 238167), (5895, 211704), (7074, 176420), (7860, 158778), (8821, 141480), (9432, 132315), (11790, 105852), (14148, 88210), (15720, 79389), (17642, 70740), (17685, 70568), (23580, 52926), (26463, 47160), (28296, 44105), (35284, 35370)]