18073760

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 45505152

約数和(自身を除く): 27431392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 71, 74, 80, 86, 142, 148, 160, 172, 185, 215, 284, 296, 344, 355, 370, 430, 568, 592, 688, 710, 740, 860, 1136, 1184, 1376, 1420, 1480, 1591, 1720, 2272, 2627, 2840, 2960, 3053, 3182, 3440, 5254, 5680, 5920, 6106, 6364, 6880, 7955, 10508, 11360, 12212, 12728, 13135, 15265, 15910, 21016, 24424, 25456, 26270, 30530, 31820, 42032, 48848, 50912, 52540, 61060, 63640, 84064, 97696, 105080, 112961, 122120, 127280, 210160, 225922, 244240, 254560, 420320, 451844, 488480, 564805, 903688, 1129610, 1807376, 2259220, 3614752, 4518440, 9036880, 18073760]

約数ペア:

[(1, 18073760), (2, 9036880), (4, 4518440), (5, 3614752), (8, 2259220), (10, 1807376), (16, 1129610), (20, 903688), (32, 564805), (37, 488480), (40, 451844), (43, 420320), (71, 254560), (74, 244240), (80, 225922), (86, 210160), (142, 127280), (148, 122120), (160, 112961), (172, 105080), (185, 97696), (215, 84064), (284, 63640), (296, 61060), (344, 52540), (355, 50912), (370, 48848), (430, 42032), (568, 31820), (592, 30530), (688, 26270), (710, 25456), (740, 24424), (860, 21016), (1136, 15910), (1184, 15265), (1376, 13135), (1420, 12728), (1480, 12212), (1591, 11360), (1720, 10508), (2272, 7955), (2627, 6880), (2840, 6364), (2960, 6106), (3053, 5920), (3182, 5680), (3440, 5254)]