1657840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 80

約数和(自身を含む): 4339008

約数和(自身を除く): 2681168

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 53, 68, 80, 85, 92, 106, 115, 136, 170, 184, 212, 230, 265, 272, 340, 368, 391, 424, 460, 530, 680, 782, 848, 901, 920, 1060, 1219, 1360, 1564, 1802, 1840, 1955, 2120, 2438, 3128, 3604, 3910, 4240, 4505, 4876, 6095, 6256, 7208, 7820, 9010, 9752, 12190, 14416, 15640, 18020, 19504, 20723, 24380, 31280, 36040, 41446, 48760, 72080, 82892, 97520, 103615, 165784, 207230, 331568, 414460, 828920, 1657840]

約数ペア:

[(1, 1657840), (2, 828920), (4, 414460), (5, 331568), (8, 207230), (10, 165784), (16, 103615), (17, 97520), (20, 82892), (23, 72080), (34, 48760), (40, 41446), (46, 36040), (53, 31280), (68, 24380), (80, 20723), (85, 19504), (92, 18020), (106, 15640), (115, 14416), (136, 12190), (170, 9752), (184, 9010), (212, 7820), (230, 7208), (265, 6256), (272, 6095), (340, 4876), (368, 4505), (391, 4240), (424, 3910), (460, 3604), (530, 3128), (680, 2438), (782, 2120), (848, 1955), (901, 1840), (920, 1802), (1060, 1564), (1219, 1360)]