257317200

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{10211}}^1$

素因数の和:10242

約数の個数: 180

約数和(自身を含む): 1020628128

約数和(自身を除く): 763310928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1680, 1800, 2100, 2520, 2800, 3150, 3600, 4200, 5040, 6300, 8400, 10211, 12600, 20422, 25200, 30633, 40844, 51055, 61266, 71477, 81688, 91899, 102110, 122532, 142954, 153165, 163376, 183798, 204220, 214431, 245064, 255275, 285908, 306330, 357385, 367596, 408440, 428862, 459495, 490128, 510550, 571816, 612660, 643293, 714770, 735192, 765825, 816880, 857724, 918990, 1021100, 1072155, 1143632, 1225320, 1286586, 1429540, 1470384, 1531650, 1715448, 1786925, 1837980, 2042200, 2144310, 2297475, 2450640, 2573172, 2859080, 3063300, 3216465, 3430896, 3573850, 3675960, 4084400, 4288620, 4594950, 5146344, 5360775, 5718160, 6126600, 6432930, 7147700, 7351920, 8577240, 9189900, 10292688, 10721550, 12253200, 12865860, 14295400, 16082325, 17154480, 18379800, 21443100, 25731720, 28590800, 32164650, 36759600, 42886200, 51463440, 64329300, 85772400, 128658600, 257317200]

約数ペア:

[(1, 257317200), (2, 128658600), (3, 85772400), (4, 64329300), (5, 51463440), (6, 42886200), (7, 36759600), (8, 32164650), (9, 28590800), (10, 25731720), (12, 21443100), (14, 18379800), (15, 17154480), (16, 16082325), (18, 14295400), (20, 12865860), (21, 12253200), (24, 10721550), (25, 10292688), (28, 9189900), (30, 8577240), (35, 7351920), (36, 7147700), (40, 6432930), (42, 6126600), (45, 5718160), (48, 5360775), (50, 5146344), (56, 4594950), (60, 4288620), (63, 4084400), (70, 3675960), (72, 3573850), (75, 3430896), (80, 3216465), (84, 3063300), (90, 2859080), (100, 2573172), (105, 2450640), (112, 2297475), (120, 2144310), (126, 2042200), (140, 1837980), (144, 1786925), (150, 1715448), (168, 1531650), (175, 1470384), (180, 1429540), (200, 1286586), (210, 1225320), (225, 1143632), (240, 1072155), (252, 1021100), (280, 918990), (300, 857724), (315, 816880), (336, 765825), (350, 735192), (360, 714770), (400, 643293), (420, 612660), (450, 571816), (504, 510550), (525, 490128), (560, 459495), (600, 428862), (630, 408440), (700, 367596), (720, 357385), (840, 306330), (900, 285908), (1008, 255275), (1050, 245064), (1200, 214431), (1260, 204220), (1400, 183798), (1575, 163376), (1680, 153165), (1800, 142954), (2100, 122532), (2520, 102110), (2800, 91899), (3150, 81688), (3600, 71477), (4200, 61266), (5040, 51055), (6300, 40844), (8400, 30633), (10211, 25200), (12600, 20422)]