257415480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{102149}}^1$

素因数の和:102173

約数の個数: 96

約数和(自身を含む): 956124000

約数和(自身を除く): 698708520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 102149, 204298, 306447, 408596, 510745, 612894, 715043, 817192, 919341, 1021490, 1225788, 1430086, 1532235, 1838682, 2042980, 2145129, 2451576, 2860172, 3064470, 3575215, 3677364, 4085960, 4290258, 4596705, 5720344, 6128940, 6435387, 7150430, 7354728, 8580516, 9193410, 10725645, 12257880, 12870774, 14300860, 17161032, 18386820, 21451290, 25741548, 28601720, 32176935, 36773640, 42902580, 51483096, 64353870, 85805160, 128707740, 257415480]

約数ペア:

[(1, 257415480), (2, 128707740), (3, 85805160), (4, 64353870), (5, 51483096), (6, 42902580), (7, 36773640), (8, 32176935), (9, 28601720), (10, 25741548), (12, 21451290), (14, 18386820), (15, 17161032), (18, 14300860), (20, 12870774), (21, 12257880), (24, 10725645), (28, 9193410), (30, 8580516), (35, 7354728), (36, 7150430), (40, 6435387), (42, 6128940), (45, 5720344), (56, 4596705), (60, 4290258), (63, 4085960), (70, 3677364), (72, 3575215), (84, 3064470), (90, 2860172), (105, 2451576), (120, 2145129), (126, 2042980), (140, 1838682), (168, 1532235), (180, 1430086), (210, 1225788), (252, 1021490), (280, 919341), (315, 817192), (360, 715043), (420, 612894), (504, 510745), (630, 408596), (840, 306447), (1260, 204298), (2520, 102149)]