138533580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26539}}^1$

素因数の和:26583

約数の個数: 72

約数和(自身を含む): 434725200

約数和(自身を除く): 296191620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 26539, 53078, 79617, 106156, 132695, 159234, 238851, 265390, 318468, 398085, 477702, 530780, 769631, 796170, 955404, 1194255, 1539262, 1592340, 2308893, 2388510, 3078524, 3848155, 4617786, 4777020, 6926679, 7696310, 9235572, 11544465, 13853358, 15392620, 23088930, 27706716, 34633395, 46177860, 69266790, 138533580]

約数ペア:

[(1, 138533580), (2, 69266790), (3, 46177860), (4, 34633395), (5, 27706716), (6, 23088930), (9, 15392620), (10, 13853358), (12, 11544465), (15, 9235572), (18, 7696310), (20, 6926679), (29, 4777020), (30, 4617786), (36, 3848155), (45, 3078524), (58, 2388510), (60, 2308893), (87, 1592340), (90, 1539262), (116, 1194255), (145, 955404), (174, 796170), (180, 769631), (261, 530780), (290, 477702), (348, 398085), (435, 318468), (522, 265390), (580, 238851), (870, 159234), (1044, 132695), (1305, 106156), (1740, 79617), (2610, 53078), (5220, 26539)]