172940520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2207}}^1$

素因数の和:2874

約数の個数: 64

約数和(自身を含む): 519851520

約数和(自身を除く): 346911000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 653, 1306, 1959, 2207, 2612, 3265, 3918, 4414, 5224, 6530, 6621, 7836, 8828, 9795, 11035, 13060, 13242, 15672, 17656, 19590, 22070, 26120, 26484, 33105, 39180, 44140, 52968, 66210, 78360, 88280, 132420, 264840, 1441171, 2882342, 4323513, 5764684, 7205855, 8647026, 11529368, 14411710, 17294052, 21617565, 28823420, 34588104, 43235130, 57646840, 86470260, 172940520]

約数ペア:

[(1, 172940520), (2, 86470260), (3, 57646840), (4, 43235130), (5, 34588104), (6, 28823420), (8, 21617565), (10, 17294052), (12, 14411710), (15, 11529368), (20, 8647026), (24, 7205855), (30, 5764684), (40, 4323513), (60, 2882342), (120, 1441171), (653, 264840), (1306, 132420), (1959, 88280), (2207, 78360), (2612, 66210), (3265, 52968), (3918, 44140), (4414, 39180), (5224, 33105), (6530, 26484), (6621, 26120), (7836, 22070), (8828, 19590), (9795, 17656), (11035, 15672), (13060, 13242)]