207855240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 647740800

約数和(自身を除く): 439885560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 83, 120, 123, 164, 166, 205, 246, 249, 328, 332, 410, 415, 492, 498, 509, 615, 664, 820, 830, 984, 996, 1018, 1230, 1245, 1527, 1640, 1660, 1992, 2036, 2460, 2490, 2545, 3054, 3320, 3403, 4072, 4920, 4980, 5090, 6108, 6806, 7635, 9960, 10180, 10209, 12216, 13612, 15270, 17015, 20360, 20418, 20869, 27224, 30540, 34030, 40836, 41738, 42247, 51045, 61080, 62607, 68060, 81672, 83476, 84494, 102090, 104345, 125214, 126741, 136120, 166952, 168988, 204180, 208690, 211235, 250428, 253482, 313035, 337976, 408360, 417380, 422470, 500856, 506964, 626070, 633705, 834760, 844940, 1013928, 1252140, 1267410, 1689880, 1732127, 2504280, 2534820, 3464254, 5069640, 5196381, 6928508, 8660635, 10392762, 13857016, 17321270, 20785524, 25981905, 34642540, 41571048, 51963810, 69285080, 103927620, 207855240]

約数ペア:

[(1, 207855240), (2, 103927620), (3, 69285080), (4, 51963810), (5, 41571048), (6, 34642540), (8, 25981905), (10, 20785524), (12, 17321270), (15, 13857016), (20, 10392762), (24, 8660635), (30, 6928508), (40, 5196381), (41, 5069640), (60, 3464254), (82, 2534820), (83, 2504280), (120, 1732127), (123, 1689880), (164, 1267410), (166, 1252140), (205, 1013928), (246, 844940), (249, 834760), (328, 633705), (332, 626070), (410, 506964), (415, 500856), (492, 422470), (498, 417380), (509, 408360), (615, 337976), (664, 313035), (820, 253482), (830, 250428), (984, 211235), (996, 208690), (1018, 204180), (1230, 168988), (1245, 166952), (1527, 136120), (1640, 126741), (1660, 125214), (1992, 104345), (2036, 102090), (2460, 84494), (2490, 83476), (2545, 81672), (3054, 68060), (3320, 62607), (3403, 61080), (4072, 51045), (4920, 42247), (4980, 41738), (5090, 40836), (6108, 34030), (6806, 30540), (7635, 27224), (9960, 20869), (10180, 20418), (10209, 20360), (12216, 17015), (13612, 15270)]