127538720

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 311351040

約数和(自身を除く): 183812320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 103, 109, 142, 160, 206, 218, 284, 355, 412, 436, 515, 545, 568, 710, 824, 872, 1030, 1090, 1136, 1420, 1648, 1744, 2060, 2180, 2272, 2840, 3296, 3488, 4120, 4360, 5680, 7313, 7739, 8240, 8720, 11227, 11360, 14626, 15478, 16480, 17440, 22454, 29252, 30956, 36565, 38695, 44908, 56135, 58504, 61912, 73130, 77390, 89816, 112270, 117008, 123824, 146260, 154780, 179632, 224540, 234016, 247648, 292520, 309560, 359264, 449080, 585040, 619120, 797117, 898160, 1170080, 1238240, 1594234, 1796320, 3188468, 3985585, 6376936, 7971170, 12753872, 15942340, 25507744, 31884680, 63769360, 127538720]

約数ペア:

[(1, 127538720), (2, 63769360), (4, 31884680), (5, 25507744), (8, 15942340), (10, 12753872), (16, 7971170), (20, 6376936), (32, 3985585), (40, 3188468), (71, 1796320), (80, 1594234), (103, 1238240), (109, 1170080), (142, 898160), (160, 797117), (206, 619120), (218, 585040), (284, 449080), (355, 359264), (412, 309560), (436, 292520), (515, 247648), (545, 234016), (568, 224540), (710, 179632), (824, 154780), (872, 146260), (1030, 123824), (1090, 117008), (1136, 112270), (1420, 89816), (1648, 77390), (1744, 73130), (2060, 61912), (2180, 58504), (2272, 56135), (2840, 44908), (3296, 38695), (3488, 36565), (4120, 30956), (4360, 29252), (5680, 22454), (7313, 17440), (7739, 16480), (8240, 15478), (8720, 14626), (11227, 11360)]