157628800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 461399040

約数和(自身を除く): 303770240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 128, 140, 155, 160, 175, 200, 217, 224, 227, 248, 280, 310, 320, 350, 400, 434, 448, 454, 496, 560, 620, 640, 700, 775, 800, 868, 896, 908, 992, 1085, 1120, 1135, 1240, 1400, 1550, 1589, 1600, 1736, 1816, 1984, 2170, 2240, 2270, 2480, 2800, 3100, 3178, 3200, 3472, 3632, 3968, 4340, 4480, 4540, 4960, 5425, 5600, 5675, 6200, 6356, 6944, 7037, 7264, 7945, 8680, 9080, 9920, 10850, 11200, 11350, 12400, 12712, 13888, 14074, 14528, 15890, 17360, 18160, 19840, 21700, 22400, 22700, 24800, 25424, 27776, 28148, 29056, 31780, 34720, 35185, 36320, 39725, 43400, 45400, 49259, 49600, 50848, 56296, 63560, 69440, 70370, 72640, 79450, 86800, 90800, 98518, 99200, 101696, 112592, 127120, 138880, 140740, 145280, 158900, 173600, 175925, 181600, 197036, 203392, 225184, 246295, 254240, 281480, 317800, 347200, 351850, 363200, 394072, 450368, 492590, 508480, 562960, 635600, 694400, 703700, 726400, 788144, 900736, 985180, 1016960, 1125920, 1231475, 1271200, 1407400, 1576288, 1970360, 2251840, 2462950, 2542400, 2814800, 3152576, 3940720, 4503680, 4925900, 5084800, 5629600, 6305152, 7881440, 9851800, 11259200, 15762880, 19703600, 22518400, 31525760, 39407200, 78814400, 157628800]

約数ペア:

[(1, 157628800), (2, 78814400), (4, 39407200), (5, 31525760), (7, 22518400), (8, 19703600), (10, 15762880), (14, 11259200), (16, 9851800), (20, 7881440), (25, 6305152), (28, 5629600), (31, 5084800), (32, 4925900), (35, 4503680), (40, 3940720), (50, 3152576), (56, 2814800), (62, 2542400), (64, 2462950), (70, 2251840), (80, 1970360), (100, 1576288), (112, 1407400), (124, 1271200), (128, 1231475), (140, 1125920), (155, 1016960), (160, 985180), (175, 900736), (200, 788144), (217, 726400), (224, 703700), (227, 694400), (248, 635600), (280, 562960), (310, 508480), (320, 492590), (350, 450368), (400, 394072), (434, 363200), (448, 351850), (454, 347200), (496, 317800), (560, 281480), (620, 254240), (640, 246295), (700, 225184), (775, 203392), (800, 197036), (868, 181600), (896, 175925), (908, 173600), (992, 158900), (1085, 145280), (1120, 140740), (1135, 138880), (1240, 127120), (1400, 112592), (1550, 101696), (1589, 99200), (1600, 98518), (1736, 90800), (1816, 86800), (1984, 79450), (2170, 72640), (2240, 70370), (2270, 69440), (2480, 63560), (2800, 56296), (3100, 50848), (3178, 49600), (3200, 49259), (3472, 45400), (3632, 43400), (3968, 39725), (4340, 36320), (4480, 35185), (4540, 34720), (4960, 31780), (5425, 29056), (5600, 28148), (5675, 27776), (6200, 25424), (6356, 24800), (6944, 22700), (7037, 22400), (7264, 21700), (7945, 19840), (8680, 18160), (9080, 17360), (9920, 15890), (10850, 14528), (11200, 14074), (11350, 13888), (12400, 12712)]