81917016

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 228614400

約数和(自身を除く): 146697384

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 41, 51, 59, 68, 82, 83, 102, 118, 123, 136, 164, 166, 177, 204, 236, 246, 249, 328, 332, 354, 408, 472, 492, 498, 664, 697, 708, 984, 996, 1003, 1394, 1411, 1416, 1992, 2006, 2091, 2419, 2788, 2822, 3009, 3403, 4012, 4182, 4233, 4838, 4897, 5576, 5644, 6018, 6806, 7257, 8024, 8364, 8466, 9676, 9794, 10209, 11288, 12036, 13612, 14514, 14691, 16728, 16932, 19352, 19588, 20418, 24072, 27224, 29028, 29382, 33864, 39176, 40836, 41123, 57851, 58056, 58764, 81672, 82246, 83249, 115702, 117528, 123369, 164492, 166498, 173553, 200777, 231404, 246738, 249747, 328984, 332996, 347106, 401554, 462808, 493476, 499494, 602331, 665992, 694212, 803108, 986952, 998988, 1204662, 1388424, 1606216, 1997976, 2409324, 3413209, 4818648, 6826418, 10239627, 13652836, 20479254, 27305672, 40958508, 81917016]

約数ペア:

[(1, 81917016), (2, 40958508), (3, 27305672), (4, 20479254), (6, 13652836), (8, 10239627), (12, 6826418), (17, 4818648), (24, 3413209), (34, 2409324), (41, 1997976), (51, 1606216), (59, 1388424), (68, 1204662), (82, 998988), (83, 986952), (102, 803108), (118, 694212), (123, 665992), (136, 602331), (164, 499494), (166, 493476), (177, 462808), (204, 401554), (236, 347106), (246, 332996), (249, 328984), (328, 249747), (332, 246738), (354, 231404), (408, 200777), (472, 173553), (492, 166498), (498, 164492), (664, 123369), (697, 117528), (708, 115702), (984, 83249), (996, 82246), (1003, 81672), (1394, 58764), (1411, 58056), (1416, 57851), (1992, 41123), (2006, 40836), (2091, 39176), (2419, 33864), (2788, 29382), (2822, 29028), (3009, 27224), (3403, 24072), (4012, 20418), (4182, 19588), (4233, 19352), (4838, 16932), (4897, 16728), (5576, 14691), (5644, 14514), (6018, 13612), (6806, 12036), (7257, 11288), (8024, 10209), (8364, 9794), (8466, 9676)]