1249380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 4140864

約数和(自身を除く): 2891484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 631, 660, 990, 1262, 1893, 1980, 2524, 3155, 3786, 5679, 6310, 6941, 7572, 9465, 11358, 12620, 13882, 18930, 20823, 22716, 27764, 28395, 34705, 37860, 41646, 56790, 62469, 69410, 83292, 104115, 113580, 124938, 138820, 208230, 249876, 312345, 416460, 624690, 1249380]

約数ペア:

[(1, 1249380), (2, 624690), (3, 416460), (4, 312345), (5, 249876), (6, 208230), (9, 138820), (10, 124938), (11, 113580), (12, 104115), (15, 83292), (18, 69410), (20, 62469), (22, 56790), (30, 41646), (33, 37860), (36, 34705), (44, 28395), (45, 27764), (55, 22716), (60, 20823), (66, 18930), (90, 13882), (99, 12620), (110, 11358), (132, 9465), (165, 7572), (180, 6941), (198, 6310), (220, 5679), (330, 3786), (396, 3155), (495, 2524), (631, 1980), (660, 1893), (990, 1262)]