2847780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1245

約数の個数: 72

約数和(自身を含む): 9310392

約数和(自身を除く): 6462612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 1217, 2340, 2434, 3651, 4868, 6085, 7302, 10953, 12170, 14604, 15821, 18255, 21906, 24340, 31642, 36510, 43812, 47463, 54765, 63284, 73020, 79105, 94926, 109530, 142389, 158210, 189852, 219060, 237315, 284778, 316420, 474630, 569556, 711945, 949260, 1423890, 2847780]

約数ペア:

[(1, 2847780), (2, 1423890), (3, 949260), (4, 711945), (5, 569556), (6, 474630), (9, 316420), (10, 284778), (12, 237315), (13, 219060), (15, 189852), (18, 158210), (20, 142389), (26, 109530), (30, 94926), (36, 79105), (39, 73020), (45, 63284), (52, 54765), (60, 47463), (65, 43812), (78, 36510), (90, 31642), (117, 24340), (130, 21906), (156, 18255), (180, 15821), (195, 14604), (234, 12170), (260, 10953), (390, 7302), (468, 6085), (585, 4868), (780, 3651), (1170, 2434), (1217, 2340)]