326670640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{599}}^1$

素因数の和:1030

約数の個数: 80

約数和(自身を含む): 807537600

約数和(自身を除く): 480866960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 401, 599, 680, 802, 1198, 1360, 1604, 2005, 2396, 2995, 3208, 4010, 4792, 5990, 6416, 6817, 8020, 9584, 10183, 11980, 13634, 16040, 20366, 23960, 27268, 32080, 34085, 40732, 47920, 50915, 54536, 68170, 81464, 101830, 109072, 136340, 162928, 203660, 240199, 272680, 407320, 480398, 545360, 814640, 960796, 1200995, 1921592, 2401990, 3843184, 4083383, 4803980, 8166766, 9607960, 16333532, 19215920, 20416915, 32667064, 40833830, 65334128, 81667660, 163335320, 326670640]

約数ペア:

[(1, 326670640), (2, 163335320), (4, 81667660), (5, 65334128), (8, 40833830), (10, 32667064), (16, 20416915), (17, 19215920), (20, 16333532), (34, 9607960), (40, 8166766), (68, 4803980), (80, 4083383), (85, 3843184), (136, 2401990), (170, 1921592), (272, 1200995), (340, 960796), (401, 814640), (599, 545360), (680, 480398), (802, 407320), (1198, 272680), (1360, 240199), (1604, 203660), (2005, 162928), (2396, 136340), (2995, 109072), (3208, 101830), (4010, 81464), (4792, 68170), (5990, 54536), (6416, 50915), (6817, 47920), (8020, 40732), (9584, 34085), (10183, 32080), (11980, 27268), (13634, 23960), (16040, 20366)]