7261040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 18882720

約数和(自身を除く): 11621680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 281, 304, 323, 340, 380, 562, 646, 680, 760, 1124, 1292, 1360, 1405, 1520, 1615, 2248, 2584, 2810, 3230, 4496, 4777, 5168, 5339, 5620, 6460, 9554, 10678, 11240, 12920, 19108, 21356, 22480, 23885, 25840, 26695, 38216, 42712, 47770, 53390, 76432, 85424, 90763, 95540, 106780, 181526, 191080, 213560, 363052, 382160, 427120, 453815, 726104, 907630, 1452208, 1815260, 3630520, 7261040]

約数ペア:

[(1, 7261040), (2, 3630520), (4, 1815260), (5, 1452208), (8, 907630), (10, 726104), (16, 453815), (17, 427120), (19, 382160), (20, 363052), (34, 213560), (38, 191080), (40, 181526), (68, 106780), (76, 95540), (80, 90763), (85, 85424), (95, 76432), (136, 53390), (152, 47770), (170, 42712), (190, 38216), (272, 26695), (281, 25840), (304, 23885), (323, 22480), (340, 21356), (380, 19108), (562, 12920), (646, 11240), (680, 10678), (760, 9554), (1124, 6460), (1292, 5620), (1360, 5339), (1405, 5168), (1520, 4777), (1615, 4496), (2248, 3230), (2584, 2810)]