28731120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10883}}^1$

素因数の和:10910

約数の個数: 80

約数和(自身を含む): 97172352

約数和(自身を除く): 68441232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 10883, 21766, 32649, 43532, 54415, 65298, 87064, 108830, 119713, 130596, 163245, 174128, 217660, 239426, 261192, 326490, 359139, 435320, 478852, 522384, 598565, 652980, 718278, 870640, 957704, 1197130, 1305960, 1436556, 1795695, 1915408, 2394260, 2611920, 2873112, 3591390, 4788520, 5746224, 7182780, 9577040, 14365560, 28731120]

約数ペア:

[(1, 28731120), (2, 14365560), (3, 9577040), (4, 7182780), (5, 5746224), (6, 4788520), (8, 3591390), (10, 2873112), (11, 2611920), (12, 2394260), (15, 1915408), (16, 1795695), (20, 1436556), (22, 1305960), (24, 1197130), (30, 957704), (33, 870640), (40, 718278), (44, 652980), (48, 598565), (55, 522384), (60, 478852), (66, 435320), (80, 359139), (88, 326490), (110, 261192), (120, 239426), (132, 217660), (165, 174128), (176, 163245), (220, 130596), (240, 119713), (264, 108830), (330, 87064), (440, 65298), (528, 54415), (660, 43532), (880, 32649), (1320, 21766), (2640, 10883)]