80347260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{27329}}^1$

素因数の和:27355

約数の個数: 72

約数和(自身を含む): 261712080

約数和(自身を除く): 181364820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 27329, 54658, 81987, 109316, 136645, 163974, 191303, 273290, 327948, 382606, 409935, 546580, 573909, 765212, 819870, 956515, 1147818, 1339121, 1639740, 1913030, 2295636, 2678242, 2869545, 3826060, 4017363, 5356484, 5739090, 6695605, 8034726, 11478180, 13391210, 16069452, 20086815, 26782420, 40173630, 80347260]

約数ペア:

[(1, 80347260), (2, 40173630), (3, 26782420), (4, 20086815), (5, 16069452), (6, 13391210), (7, 11478180), (10, 8034726), (12, 6695605), (14, 5739090), (15, 5356484), (20, 4017363), (21, 3826060), (28, 2869545), (30, 2678242), (35, 2295636), (42, 1913030), (49, 1639740), (60, 1339121), (70, 1147818), (84, 956515), (98, 819870), (105, 765212), (140, 573909), (147, 546580), (196, 409935), (210, 382606), (245, 327948), (294, 273290), (420, 191303), (490, 163974), (588, 136645), (735, 109316), (980, 81987), (1470, 54658), (2940, 27329)]