2545380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 7862400

約数和(自身を除く): 5317020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 179, 180, 237, 316, 358, 395, 474, 537, 711, 716, 790, 895, 948, 1074, 1185, 1422, 1580, 1611, 1790, 2148, 2370, 2685, 2844, 3222, 3555, 3580, 4740, 5370, 6444, 7110, 8055, 10740, 14141, 14220, 16110, 28282, 32220, 42423, 56564, 70705, 84846, 127269, 141410, 169692, 212115, 254538, 282820, 424230, 509076, 636345, 848460, 1272690, 2545380]

約数ペア:

[(1, 2545380), (2, 1272690), (3, 848460), (4, 636345), (5, 509076), (6, 424230), (9, 282820), (10, 254538), (12, 212115), (15, 169692), (18, 141410), (20, 127269), (30, 84846), (36, 70705), (45, 56564), (60, 42423), (79, 32220), (90, 28282), (158, 16110), (179, 14220), (180, 14141), (237, 10740), (316, 8055), (358, 7110), (395, 6444), (474, 5370), (537, 4740), (711, 3580), (716, 3555), (790, 3222), (895, 2844), (948, 2685), (1074, 2370), (1185, 2148), (1422, 1790), (1580, 1611)]