18487440

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{317}}^1$

素因数の和:348

約数の個数: 140

約数和(自身を含む): 64648764

約数和(自身を除く): 46161324

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 317, 324, 360, 405, 432, 486, 540, 634, 648, 720, 729, 810, 951, 972, 1080, 1215, 1268, 1296, 1458, 1585, 1620, 1902, 1944, 2160, 2430, 2536, 2853, 2916, 3170, 3240, 3645, 3804, 3888, 4755, 4860, 5072, 5706, 5832, 6340, 6480, 7290, 7608, 8559, 9510, 9720, 11412, 11664, 12680, 14265, 14580, 15216, 17118, 19020, 19440, 22824, 25360, 25677, 28530, 29160, 34236, 38040, 42795, 45648, 51354, 57060, 58320, 68472, 76080, 77031, 85590, 102708, 114120, 128385, 136944, 154062, 171180, 205416, 228240, 231093, 256770, 308124, 342360, 385155, 410832, 462186, 513540, 616248, 684720, 770310, 924372, 1027080, 1155465, 1232496, 1540620, 1848744, 2054160, 2310930, 3081240, 3697488, 4621860, 6162480, 9243720, 18487440]

約数ペア:

[(1, 18487440), (2, 9243720), (3, 6162480), (4, 4621860), (5, 3697488), (6, 3081240), (8, 2310930), (9, 2054160), (10, 1848744), (12, 1540620), (15, 1232496), (16, 1155465), (18, 1027080), (20, 924372), (24, 770310), (27, 684720), (30, 616248), (36, 513540), (40, 462186), (45, 410832), (48, 385155), (54, 342360), (60, 308124), (72, 256770), (80, 231093), (81, 228240), (90, 205416), (108, 171180), (120, 154062), (135, 136944), (144, 128385), (162, 114120), (180, 102708), (216, 85590), (240, 77031), (243, 76080), (270, 68472), (317, 58320), (324, 57060), (360, 51354), (405, 45648), (432, 42795), (486, 38040), (540, 34236), (634, 29160), (648, 28530), (720, 25677), (729, 25360), (810, 22824), (951, 19440), (972, 19020), (1080, 17118), (1215, 15216), (1268, 14580), (1296, 14265), (1458, 12680), (1585, 11664), (1620, 11412), (1902, 9720), (1944, 9510), (2160, 8559), (2430, 7608), (2536, 7290), (2853, 6480), (2916, 6340), (3170, 5832), (3240, 5706), (3645, 5072), (3804, 4860), (3888, 4755)]