1642155720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:807

約数の個数: 128

約数和(自身を含む): 4995993600

約数和(自身を除く): 3353837880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 277, 381, 389, 508, 554, 635, 762, 778, 831, 1016, 1108, 1167, 1270, 1385, 1524, 1556, 1662, 1905, 1945, 2216, 2334, 2540, 2770, 3048, 3112, 3324, 3810, 3890, 4155, 4668, 5080, 5540, 5835, 6648, 7620, 7780, 8310, 9336, 11080, 11670, 15240, 15560, 16620, 23340, 33240, 35179, 46680, 49403, 70358, 98806, 105537, 107753, 140716, 148209, 175895, 197612, 211074, 215506, 247015, 281432, 296418, 323259, 351790, 395224, 422148, 431012, 494030, 527685, 538765, 592836, 646518, 703580, 741045, 844296, 862024, 988060, 1055370, 1077530, 1185672, 1293036, 1407160, 1482090, 1616295, 1976120, 2110740, 2155060, 2586072, 2964180, 3232590, 4221480, 4310120, 5928360, 6465180, 12930360, 13684631, 27369262, 41053893, 54738524, 68423155, 82107786, 109477048, 136846310, 164215572, 205269465, 273692620, 328431144, 410538930, 547385240, 821077860, 1642155720]

約数ペア:

[(1, 1642155720), (2, 821077860), (3, 547385240), (4, 410538930), (5, 328431144), (6, 273692620), (8, 205269465), (10, 164215572), (12, 136846310), (15, 109477048), (20, 82107786), (24, 68423155), (30, 54738524), (40, 41053893), (60, 27369262), (120, 13684631), (127, 12930360), (254, 6465180), (277, 5928360), (381, 4310120), (389, 4221480), (508, 3232590), (554, 2964180), (635, 2586072), (762, 2155060), (778, 2110740), (831, 1976120), (1016, 1616295), (1108, 1482090), (1167, 1407160), (1270, 1293036), (1385, 1185672), (1524, 1077530), (1556, 1055370), (1662, 988060), (1905, 862024), (1945, 844296), (2216, 741045), (2334, 703580), (2540, 646518), (2770, 592836), (3048, 538765), (3112, 527685), (3324, 494030), (3810, 431012), (3890, 422148), (4155, 395224), (4668, 351790), (5080, 323259), (5540, 296418), (5835, 281432), (6648, 247015), (7620, 215506), (7780, 211074), (8310, 197612), (9336, 175895), (11080, 148209), (11670, 140716), (15240, 107753), (15560, 105537), (16620, 98806), (23340, 70358), (33240, 49403), (35179, 46680)]