28542690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2621}}^1$

素因数の和:2656

約数の個数: 72

約数和(自身を含む): 81601884

約数和(自身を除く): 53059194

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 2621, 3630, 5242, 5445, 7863, 10890, 13105, 15726, 23589, 26210, 28831, 39315, 47178, 57662, 78630, 86493, 117945, 144155, 172986, 235890, 259479, 288310, 317141, 432465, 518958, 634282, 864930, 951423, 1297395, 1585705, 1902846, 2594790, 2854269, 3171410, 4757115, 5708538, 9514230, 14271345, 28542690]

約数ペア:

[(1, 28542690), (2, 14271345), (3, 9514230), (5, 5708538), (6, 4757115), (9, 3171410), (10, 2854269), (11, 2594790), (15, 1902846), (18, 1585705), (22, 1297395), (30, 951423), (33, 864930), (45, 634282), (55, 518958), (66, 432465), (90, 317141), (99, 288310), (110, 259479), (121, 235890), (165, 172986), (198, 144155), (242, 117945), (330, 86493), (363, 78630), (495, 57662), (605, 47178), (726, 39315), (990, 28831), (1089, 26210), (1210, 23589), (1815, 15726), (2178, 13105), (2621, 10890), (3630, 7863), (5242, 5445)]