1645420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 4251744

約数和(自身を除く): 2606324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 73, 92, 98, 115, 140, 146, 161, 196, 230, 245, 292, 322, 365, 460, 490, 511, 644, 730, 805, 980, 1022, 1127, 1460, 1610, 1679, 2044, 2254, 2555, 3220, 3358, 3577, 4508, 5110, 5635, 6716, 7154, 8395, 10220, 11270, 11753, 14308, 16790, 17885, 22540, 23506, 33580, 35770, 47012, 58765, 71540, 82271, 117530, 164542, 235060, 329084, 411355, 822710, 1645420]

約数ペア:

[(1, 1645420), (2, 822710), (4, 411355), (5, 329084), (7, 235060), (10, 164542), (14, 117530), (20, 82271), (23, 71540), (28, 58765), (35, 47012), (46, 35770), (49, 33580), (70, 23506), (73, 22540), (92, 17885), (98, 16790), (115, 14308), (140, 11753), (146, 11270), (161, 10220), (196, 8395), (230, 7154), (245, 6716), (292, 5635), (322, 5110), (365, 4508), (460, 3577), (490, 3358), (511, 3220), (644, 2555), (730, 2254), (805, 2044), (980, 1679), (1022, 1610), (1127, 1460)]