257417520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7829}}^1$

素因数の和:7982

約数の個数: 80

約数和(自身を含む): 803921760

約数和(自身を除く): 546504240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2192, 2740, 3288, 4110, 5480, 6576, 7829, 8220, 10960, 15658, 16440, 23487, 31316, 32880, 39145, 46974, 62632, 78290, 93948, 117435, 125264, 156580, 187896, 234870, 313160, 375792, 469740, 626320, 939480, 1072573, 1878960, 2145146, 3217719, 4290292, 5362865, 6435438, 8580584, 10725730, 12870876, 16088595, 17161168, 21451460, 25741752, 32177190, 42902920, 51483504, 64354380, 85805840, 128708760, 257417520]

約数ペア:

[(1, 257417520), (2, 128708760), (3, 85805840), (4, 64354380), (5, 51483504), (6, 42902920), (8, 32177190), (10, 25741752), (12, 21451460), (15, 17161168), (16, 16088595), (20, 12870876), (24, 10725730), (30, 8580584), (40, 6435438), (48, 5362865), (60, 4290292), (80, 3217719), (120, 2145146), (137, 1878960), (240, 1072573), (274, 939480), (411, 626320), (548, 469740), (685, 375792), (822, 313160), (1096, 234870), (1370, 187896), (1644, 156580), (2055, 125264), (2192, 117435), (2740, 93948), (3288, 78290), (4110, 62632), (5480, 46974), (6576, 39145), (7829, 32880), (8220, 31316), (10960, 23487), (15658, 16440)]