664285425

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 1195637760

約数和(自身を除く): 531352335

約数列:

[1, 3, 5, 15, 23, 25, 59, 61, 69, 75, 107, 115, 177, 183, 295, 305, 321, 345, 535, 575, 885, 915, 1357, 1403, 1475, 1525, 1605, 1725, 2461, 2675, 3599, 4071, 4209, 4425, 4575, 6313, 6527, 6785, 7015, 7383, 8025, 10797, 12305, 17995, 18939, 19581, 20355, 21045, 31565, 32635, 33925, 35075, 36915, 53985, 61525, 82777, 89975, 94695, 97905, 101775, 105225, 145199, 150121, 157825, 163175, 184575, 248331, 269925, 385093, 413885, 435597, 450363, 473475, 489525, 725995, 750605, 1155279, 1241655, 1925465, 2069425, 2177985, 2251815, 3629975, 3753025, 5776395, 6208275, 8857139, 9627325, 10889925, 11259075, 26571417, 28881975, 44285695, 132857085, 221428475, 664285425]

約数ペア:

[(1, 664285425), (3, 221428475), (5, 132857085), (15, 44285695), (23, 28881975), (25, 26571417), (59, 11259075), (61, 10889925), (69, 9627325), (75, 8857139), (107, 6208275), (115, 5776395), (177, 3753025), (183, 3629975), (295, 2251815), (305, 2177985), (321, 2069425), (345, 1925465), (535, 1241655), (575, 1155279), (885, 750605), (915, 725995), (1357, 489525), (1403, 473475), (1475, 450363), (1525, 435597), (1605, 413885), (1725, 385093), (2461, 269925), (2675, 248331), (3599, 184575), (4071, 163175), (4209, 157825), (4425, 150121), (4575, 145199), (6313, 105225), (6527, 101775), (6785, 97905), (7015, 94695), (7383, 89975), (8025, 82777), (10797, 61525), (12305, 53985), (17995, 36915), (18939, 35075), (19581, 33925), (20355, 32635), (21045, 31565)]