142471040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 361912320

約数和(自身を除く): 219441280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 128, 155, 160, 167, 172, 215, 248, 310, 320, 334, 344, 430, 496, 620, 640, 668, 688, 835, 860, 992, 1240, 1333, 1336, 1376, 1670, 1720, 1984, 2480, 2666, 2672, 2752, 3340, 3440, 3968, 4960, 5177, 5332, 5344, 5504, 6665, 6680, 6880, 7181, 9920, 10354, 10664, 10688, 13330, 13360, 13760, 14362, 19840, 20708, 21328, 21376, 25885, 26660, 26720, 27520, 28724, 35905, 41416, 42656, 51770, 53320, 53440, 57448, 71810, 82832, 85312, 103540, 106640, 106880, 114896, 143620, 165664, 170624, 207080, 213280, 222611, 229792, 287240, 331328, 414160, 426560, 445222, 459584, 574480, 662656, 828320, 853120, 890444, 919168, 1113055, 1148960, 1656640, 1780888, 2226110, 2297920, 3313280, 3561776, 4452220, 4595840, 7123552, 8904440, 14247104, 17808880, 28494208, 35617760, 71235520, 142471040]

約数ペア:

[(1, 142471040), (2, 71235520), (4, 35617760), (5, 28494208), (8, 17808880), (10, 14247104), (16, 8904440), (20, 7123552), (31, 4595840), (32, 4452220), (40, 3561776), (43, 3313280), (62, 2297920), (64, 2226110), (80, 1780888), (86, 1656640), (124, 1148960), (128, 1113055), (155, 919168), (160, 890444), (167, 853120), (172, 828320), (215, 662656), (248, 574480), (310, 459584), (320, 445222), (334, 426560), (344, 414160), (430, 331328), (496, 287240), (620, 229792), (640, 222611), (668, 213280), (688, 207080), (835, 170624), (860, 165664), (992, 143620), (1240, 114896), (1333, 106880), (1336, 106640), (1376, 103540), (1670, 85312), (1720, 82832), (1984, 71810), (2480, 57448), (2666, 53440), (2672, 53320), (2752, 51770), (3340, 42656), (3440, 41416), (3968, 35905), (4960, 28724), (5177, 27520), (5332, 26720), (5344, 26660), (5504, 25885), (6665, 21376), (6680, 21328), (6880, 20708), (7181, 19840), (9920, 14362), (10354, 13760), (10664, 13360), (10688, 13330)]