257820800

素因数分解:

$2^7\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 192

約数和(自身を含む): 692098560

約数和(自身を除く): 434277760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 32, 40, 46, 50, 62, 64, 80, 92, 100, 113, 115, 124, 128, 155, 160, 184, 200, 226, 230, 248, 310, 320, 368, 400, 452, 460, 496, 565, 575, 620, 640, 713, 736, 775, 800, 904, 920, 992, 1130, 1150, 1240, 1426, 1472, 1550, 1600, 1808, 1840, 1984, 2260, 2300, 2480, 2599, 2825, 2852, 2944, 3100, 3200, 3503, 3565, 3616, 3680, 3968, 4520, 4600, 4960, 5198, 5650, 5704, 6200, 7006, 7130, 7232, 7360, 9040, 9200, 9920, 10396, 11300, 11408, 12400, 12995, 14012, 14260, 14464, 14720, 17515, 17825, 18080, 18400, 19840, 20792, 22600, 22816, 24800, 25990, 28024, 28520, 35030, 35650, 36160, 36800, 41584, 45200, 45632, 49600, 51980, 56048, 57040, 64975, 70060, 71300, 72320, 73600, 80569, 83168, 87575, 90400, 91264, 99200, 103960, 112096, 114080, 129950, 140120, 142600, 161138, 166336, 175150, 180800, 207920, 224192, 228160, 259900, 280240, 285200, 322276, 332672, 350300, 361600, 402845, 415840, 448384, 456320, 519800, 560480, 570400, 644552, 700600, 805690, 831680, 1039600, 1120960, 1140800, 1289104, 1401200, 1611380, 1663360, 2014225, 2079200, 2241920, 2281600, 2578208, 2802400, 3222760, 4028450, 4158400, 5156416, 5604800, 6445520, 8056900, 8316800, 10312832, 11209600, 12891040, 16113800, 25782080, 32227600, 51564160, 64455200, 128910400, 257820800]

約数ペア:

[(1, 257820800), (2, 128910400), (4, 64455200), (5, 51564160), (8, 32227600), (10, 25782080), (16, 16113800), (20, 12891040), (23, 11209600), (25, 10312832), (31, 8316800), (32, 8056900), (40, 6445520), (46, 5604800), (50, 5156416), (62, 4158400), (64, 4028450), (80, 3222760), (92, 2802400), (100, 2578208), (113, 2281600), (115, 2241920), (124, 2079200), (128, 2014225), (155, 1663360), (160, 1611380), (184, 1401200), (200, 1289104), (226, 1140800), (230, 1120960), (248, 1039600), (310, 831680), (320, 805690), (368, 700600), (400, 644552), (452, 570400), (460, 560480), (496, 519800), (565, 456320), (575, 448384), (620, 415840), (640, 402845), (713, 361600), (736, 350300), (775, 332672), (800, 322276), (904, 285200), (920, 280240), (992, 259900), (1130, 228160), (1150, 224192), (1240, 207920), (1426, 180800), (1472, 175150), (1550, 166336), (1600, 161138), (1808, 142600), (1840, 140120), (1984, 129950), (2260, 114080), (2300, 112096), (2480, 103960), (2599, 99200), (2825, 91264), (2852, 90400), (2944, 87575), (3100, 83168), (3200, 80569), (3503, 73600), (3565, 72320), (3616, 71300), (3680, 70060), (3968, 64975), (4520, 57040), (4600, 56048), (4960, 51980), (5198, 49600), (5650, 45632), (5704, 45200), (6200, 41584), (7006, 36800), (7130, 36160), (7232, 35650), (7360, 35030), (9040, 28520), (9200, 28024), (9920, 25990), (10396, 24800), (11300, 22816), (11408, 22600), (12400, 20792), (12995, 19840), (14012, 18400), (14260, 18080), (14464, 17825), (14720, 17515)]