18328240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1466

約数の個数: 80

約数和(自身を含む): 50853888

約数和(自身を除く): 32525648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1423, 1610, 1840, 2576, 2846, 3220, 5692, 6440, 7115, 9961, 11384, 12880, 14230, 19922, 22768, 28460, 32729, 39844, 49805, 56920, 65458, 79688, 99610, 113840, 130916, 159376, 163645, 199220, 229103, 261832, 327290, 398440, 458206, 523664, 654580, 796880, 916412, 1145515, 1309160, 1832824, 2291030, 2618320, 3665648, 4582060, 9164120, 18328240]

約数ペア:

[(1, 18328240), (2, 9164120), (4, 4582060), (5, 3665648), (7, 2618320), (8, 2291030), (10, 1832824), (14, 1309160), (16, 1145515), (20, 916412), (23, 796880), (28, 654580), (35, 523664), (40, 458206), (46, 398440), (56, 327290), (70, 261832), (80, 229103), (92, 199220), (112, 163645), (115, 159376), (140, 130916), (161, 113840), (184, 99610), (230, 79688), (280, 65458), (322, 56920), (368, 49805), (460, 39844), (560, 32729), (644, 28460), (805, 22768), (920, 19922), (1288, 14230), (1423, 12880), (1610, 11384), (1840, 9961), (2576, 7115), (2846, 6440), (3220, 5692)]