257430600

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{20431}}^1$

素因数の和:20460

約数の個数: 144

約数和(自身を含む): 988091520

約数和(自身を除く): 730660920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 2100, 2520, 3150, 4200, 6300, 12600, 20431, 40862, 61293, 81724, 102155, 122586, 143017, 163448, 183879, 204310, 245172, 286034, 306465, 367758, 408620, 429051, 490344, 510775, 572068, 612930, 715085, 735516, 817240, 858102, 919395, 1021550, 1144136, 1225860, 1287153, 1430170, 1471032, 1532325, 1716204, 1838790, 2043100, 2145255, 2451720, 2574306, 2860340, 3064650, 3432408, 3575425, 3677580, 4086200, 4290510, 4596975, 5148612, 5720680, 6129300, 6435765, 7150850, 7355160, 8581020, 9193950, 10297224, 10726275, 12258600, 12871530, 14301700, 17162040, 18387900, 21452550, 25743060, 28603400, 32178825, 36775800, 42905100, 51486120, 64357650, 85810200, 128715300, 257430600]

約数ペア:

[(1, 257430600), (2, 128715300), (3, 85810200), (4, 64357650), (5, 51486120), (6, 42905100), (7, 36775800), (8, 32178825), (9, 28603400), (10, 25743060), (12, 21452550), (14, 18387900), (15, 17162040), (18, 14301700), (20, 12871530), (21, 12258600), (24, 10726275), (25, 10297224), (28, 9193950), (30, 8581020), (35, 7355160), (36, 7150850), (40, 6435765), (42, 6129300), (45, 5720680), (50, 5148612), (56, 4596975), (60, 4290510), (63, 4086200), (70, 3677580), (72, 3575425), (75, 3432408), (84, 3064650), (90, 2860340), (100, 2574306), (105, 2451720), (120, 2145255), (126, 2043100), (140, 1838790), (150, 1716204), (168, 1532325), (175, 1471032), (180, 1430170), (200, 1287153), (210, 1225860), (225, 1144136), (252, 1021550), (280, 919395), (300, 858102), (315, 817240), (350, 735516), (360, 715085), (420, 612930), (450, 572068), (504, 510775), (525, 490344), (600, 429051), (630, 408620), (700, 367758), (840, 306465), (900, 286034), (1050, 245172), (1260, 204310), (1400, 183879), (1575, 163448), (1800, 143017), (2100, 122586), (2520, 102155), (3150, 81724), (4200, 61293), (6300, 40862), (12600, 20431)]