642116720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{11821}}^1$

素因数の和:11938

約数の個数: 80

約数和(自身を含む): 1723931328

約数和(自身を除く): 1081814608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1358, 1552, 1940, 2716, 3395, 3880, 5432, 6790, 7760, 10864, 11821, 13580, 23642, 27160, 47284, 54320, 59105, 82747, 94568, 118210, 165494, 189136, 236420, 330988, 413735, 472840, 661976, 827470, 945680, 1146637, 1323952, 1654940, 2293274, 3309880, 4586548, 5733185, 6619760, 8026459, 9173096, 11466370, 16052918, 18346192, 22932740, 32105836, 40132295, 45865480, 64211672, 80264590, 91730960, 128423344, 160529180, 321058360, 642116720]

約数ペア:

[(1, 642116720), (2, 321058360), (4, 160529180), (5, 128423344), (7, 91730960), (8, 80264590), (10, 64211672), (14, 45865480), (16, 40132295), (20, 32105836), (28, 22932740), (35, 18346192), (40, 16052918), (56, 11466370), (70, 9173096), (80, 8026459), (97, 6619760), (112, 5733185), (140, 4586548), (194, 3309880), (280, 2293274), (388, 1654940), (485, 1323952), (560, 1146637), (679, 945680), (776, 827470), (970, 661976), (1358, 472840), (1552, 413735), (1940, 330988), (2716, 236420), (3395, 189136), (3880, 165494), (5432, 118210), (6790, 94568), (7760, 82747), (10864, 59105), (11821, 54320), (13580, 47284), (23642, 27160)]