1660489040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{156061}}^1$

素因数の和:156100

約数の個数: 80

約数和(自身を含む): 4644405120

約数和(自身を除く): 2983916080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 156061, 312122, 624244, 780305, 1092427, 1248488, 1560610, 2184854, 2496976, 2965159, 3121220, 4369708, 5462135, 5930318, 6242440, 8739416, 10924270, 11860636, 12484880, 14825795, 17478832, 20756113, 21848540, 23721272, 29651590, 41512226, 43697080, 47442544, 59303180, 83024452, 87394160, 103780565, 118606360, 166048904, 207561130, 237212720, 332097808, 415122260, 830244520, 1660489040]

約数ペア:

[(1, 1660489040), (2, 830244520), (4, 415122260), (5, 332097808), (7, 237212720), (8, 207561130), (10, 166048904), (14, 118606360), (16, 103780565), (19, 87394160), (20, 83024452), (28, 59303180), (35, 47442544), (38, 43697080), (40, 41512226), (56, 29651590), (70, 23721272), (76, 21848540), (80, 20756113), (95, 17478832), (112, 14825795), (133, 12484880), (140, 11860636), (152, 10924270), (190, 8739416), (266, 6242440), (280, 5930318), (304, 5462135), (380, 4369708), (532, 3121220), (560, 2965159), (665, 2496976), (760, 2184854), (1064, 1560610), (1330, 1248488), (1520, 1092427), (2128, 780305), (2660, 624244), (5320, 312122), (10640, 156061)]