68628760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1237}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 164901600

約数和(自身を除く): 96272840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1237, 1387, 1460, 2474, 2774, 2920, 4948, 5548, 6185, 6935, 9896, 11096, 12370, 13870, 23503, 24740, 27740, 47006, 49480, 55480, 90301, 94012, 117515, 180602, 188024, 235030, 361204, 451505, 470060, 722408, 903010, 940120, 1715719, 1806020, 3431438, 3612040, 6862876, 8578595, 13725752, 17157190, 34314380, 68628760]

約数ペア:

[(1, 68628760), (2, 34314380), (4, 17157190), (5, 13725752), (8, 8578595), (10, 6862876), (19, 3612040), (20, 3431438), (38, 1806020), (40, 1715719), (73, 940120), (76, 903010), (95, 722408), (146, 470060), (152, 451505), (190, 361204), (292, 235030), (365, 188024), (380, 180602), (584, 117515), (730, 94012), (760, 90301), (1237, 55480), (1387, 49480), (1460, 47006), (2474, 27740), (2774, 24740), (2920, 23503), (4948, 13870), (5548, 12370), (6185, 11096), (6935, 9896)]