1256798970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{664973}}^1$

素因数の和:664996

約数の個数: 64

約数和(自身を含む): 3830250240

約数和(自身を除く): 2573451270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 664973, 1329946, 1994919, 3324865, 3989838, 4654811, 5984757, 6649730, 9309622, 9974595, 11969514, 13964433, 17954271, 19949190, 23274055, 27928866, 29923785, 35908542, 41893299, 46548110, 59847570, 69822165, 83786598, 89771355, 125679897, 139644330, 179542710, 209466495, 251359794, 418932990, 628399485, 1256798970]

約数ペア:

[(1, 1256798970), (2, 628399485), (3, 418932990), (5, 251359794), (6, 209466495), (7, 179542710), (9, 139644330), (10, 125679897), (14, 89771355), (15, 83786598), (18, 69822165), (21, 59847570), (27, 46548110), (30, 41893299), (35, 35908542), (42, 29923785), (45, 27928866), (54, 23274055), (63, 19949190), (70, 17954271), (90, 13964433), (105, 11969514), (126, 9974595), (135, 9309622), (189, 6649730), (210, 5984757), (270, 4654811), (315, 3989838), (378, 3324865), (630, 1994919), (945, 1329946), (1890, 664973)]