257938800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{30707}}^1$

素因数の和:30735

約数の個数: 120

約数和(自身を含む): 944332416

約数和(自身を除く): 686393616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 30707, 61414, 92121, 122828, 153535, 184242, 214949, 245656, 307070, 368484, 429898, 460605, 491312, 614140, 644847, 736968, 767675, 859796, 921210, 1074745, 1228280, 1289694, 1473936, 1535350, 1719592, 1842420, 2149490, 2303025, 2456560, 2579388, 3070700, 3224235, 3439184, 3684840, 4298980, 4606050, 5158776, 5373725, 6141400, 6448470, 7369680, 8597960, 9212100, 10317552, 10747450, 12282800, 12896940, 16121175, 17195920, 18424200, 21494900, 25793880, 32242350, 36848400, 42989800, 51587760, 64484700, 85979600, 128969400, 257938800]

約数ペア:

[(1, 257938800), (2, 128969400), (3, 85979600), (4, 64484700), (5, 51587760), (6, 42989800), (7, 36848400), (8, 32242350), (10, 25793880), (12, 21494900), (14, 18424200), (15, 17195920), (16, 16121175), (20, 12896940), (21, 12282800), (24, 10747450), (25, 10317552), (28, 9212100), (30, 8597960), (35, 7369680), (40, 6448470), (42, 6141400), (48, 5373725), (50, 5158776), (56, 4606050), (60, 4298980), (70, 3684840), (75, 3439184), (80, 3224235), (84, 3070700), (100, 2579388), (105, 2456560), (112, 2303025), (120, 2149490), (140, 1842420), (150, 1719592), (168, 1535350), (175, 1473936), (200, 1289694), (210, 1228280), (240, 1074745), (280, 921210), (300, 859796), (336, 767675), (350, 736968), (400, 644847), (420, 614140), (525, 491312), (560, 460605), (600, 429898), (700, 368484), (840, 307070), (1050, 245656), (1200, 214949), (1400, 184242), (1680, 153535), (2100, 122828), (2800, 92121), (4200, 61414), (8400, 30707)]