2271280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 6026400

約数和(自身を除く): 3755120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 89, 110, 116, 145, 176, 178, 220, 232, 290, 319, 356, 440, 445, 464, 580, 638, 712, 880, 890, 979, 1160, 1276, 1424, 1595, 1780, 1958, 2320, 2552, 2581, 3190, 3560, 3916, 4895, 5104, 5162, 6380, 7120, 7832, 9790, 10324, 12760, 12905, 15664, 19580, 20648, 25520, 25810, 28391, 39160, 41296, 51620, 56782, 78320, 103240, 113564, 141955, 206480, 227128, 283910, 454256, 567820, 1135640, 2271280]

約数ペア:

[(1, 2271280), (2, 1135640), (4, 567820), (5, 454256), (8, 283910), (10, 227128), (11, 206480), (16, 141955), (20, 113564), (22, 103240), (29, 78320), (40, 56782), (44, 51620), (55, 41296), (58, 39160), (80, 28391), (88, 25810), (89, 25520), (110, 20648), (116, 19580), (145, 15664), (176, 12905), (178, 12760), (220, 10324), (232, 9790), (290, 7832), (319, 7120), (356, 6380), (440, 5162), (445, 5104), (464, 4895), (580, 3916), (638, 3560), (712, 3190), (880, 2581), (890, 2552), (979, 2320), (1160, 1958), (1276, 1780), (1424, 1595)]