1687520

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 4082400

約数和(自身を除く): 2394880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 199, 212, 265, 398, 424, 530, 796, 848, 995, 1060, 1592, 1696, 1990, 2120, 3184, 3980, 4240, 6368, 7960, 8480, 10547, 15920, 21094, 31840, 42188, 52735, 84376, 105470, 168752, 210940, 337504, 421880, 843760, 1687520]

約数ペア:

[(1, 1687520), (2, 843760), (4, 421880), (5, 337504), (8, 210940), (10, 168752), (16, 105470), (20, 84376), (32, 52735), (40, 42188), (53, 31840), (80, 21094), (106, 15920), (160, 10547), (199, 8480), (212, 7960), (265, 6368), (398, 4240), (424, 3980), (530, 3184), (796, 2120), (848, 1990), (995, 1696), (1060, 1592)]