78814400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 168

約数和(自身を含む): 229794816

約数和(自身を除く): 150980416

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, 140, 155, 160, 175, 200, 217, 224, 227, 248, 280, 310, 320, 350, 400, 434, 448, 454, 496, 560, 620, 700, 775, 800, 868, 908, 992, 1085, 1120, 1135, 1240, 1400, 1550, 1589, 1600, 1736, 1816, 1984, 2170, 2240, 2270, 2480, 2800, 3100, 3178, 3472, 3632, 4340, 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, 21700, 22700, 24800, 25424, 28148, 31780, 34720, 35185, 36320, 39725, 43400, 45400, 49259, 49600, 50848, 56296, 63560, 69440, 70370, 72640, 79450, 86800, 90800, 98518, 101696, 112592, 127120, 140740, 158900, 173600, 175925, 181600, 197036, 225184, 246295, 254240, 281480, 317800, 347200, 351850, 363200, 394072, 450368, 492590, 508480, 562960, 635600, 703700, 788144, 985180, 1125920, 1231475, 1271200, 1407400, 1576288, 1970360, 2251840, 2462950, 2542400, 2814800, 3152576, 3940720, 4925900, 5629600, 7881440, 9851800, 11259200, 15762880, 19703600, 39407200, 78814400]

約数ペア:

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