81467760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30859}}^1$

素因数の和:30886

約数の個数: 80

約数和(自身を含む): 275518080

約数和(自身を除く): 194050320

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, 30859, 61718, 92577, 123436, 154295, 185154, 246872, 308590, 339449, 370308, 462885, 493744, 617180, 678898, 740616, 925770, 1018347, 1234360, 1357796, 1481232, 1697245, 1851540, 2036694, 2468720, 2715592, 3394490, 3703080, 4073388, 5091735, 5431184, 6788980, 7406160, 8146776, 10183470, 13577960, 16293552, 20366940, 27155920, 40733880, 81467760]

約数ペア:

[(1, 81467760), (2, 40733880), (3, 27155920), (4, 20366940), (5, 16293552), (6, 13577960), (8, 10183470), (10, 8146776), (11, 7406160), (12, 6788980), (15, 5431184), (16, 5091735), (20, 4073388), (22, 3703080), (24, 3394490), (30, 2715592), (33, 2468720), (40, 2036694), (44, 1851540), (48, 1697245), (55, 1481232), (60, 1357796), (66, 1234360), (80, 1018347), (88, 925770), (110, 740616), (120, 678898), (132, 617180), (165, 493744), (176, 462885), (220, 370308), (240, 339449), (264, 308590), (330, 246872), (440, 185154), (528, 154295), (660, 123436), (880, 92577), (1320, 61718), (2640, 30859)]