1640790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 4492800

約数和(自身を除く): 2852010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 59, 90, 103, 118, 135, 177, 206, 270, 295, 309, 354, 515, 531, 590, 618, 885, 927, 1030, 1062, 1545, 1593, 1770, 1854, 2655, 2781, 3090, 3186, 4635, 5310, 5562, 6077, 7965, 9270, 12154, 13905, 15930, 18231, 27810, 30385, 36462, 54693, 60770, 91155, 109386, 164079, 182310, 273465, 328158, 546930, 820395, 1640790]

約数ペア:

[(1, 1640790), (2, 820395), (3, 546930), (5, 328158), (6, 273465), (9, 182310), (10, 164079), (15, 109386), (18, 91155), (27, 60770), (30, 54693), (45, 36462), (54, 30385), (59, 27810), (90, 18231), (103, 15930), (118, 13905), (135, 12154), (177, 9270), (206, 7965), (270, 6077), (295, 5562), (309, 5310), (354, 4635), (515, 3186), (531, 3090), (590, 2781), (618, 2655), (885, 1854), (927, 1770), (1030, 1593), (1062, 1545)]