138240780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{74323}}^1$

素因数の和:74366

約数の個数: 48

約数和(自身を含む): 399565824

約数和(自身を除く): 261325044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 74323, 148646, 222969, 297292, 371615, 445938, 743230, 891876, 1114845, 1486460, 2229690, 2304013, 4459380, 4608026, 6912039, 9216052, 11520065, 13824078, 23040130, 27648156, 34560195, 46080260, 69120390, 138240780]

約数ペア:

[(1, 138240780), (2, 69120390), (3, 46080260), (4, 34560195), (5, 27648156), (6, 23040130), (10, 13824078), (12, 11520065), (15, 9216052), (20, 6912039), (30, 4608026), (31, 4459380), (60, 2304013), (62, 2229690), (93, 1486460), (124, 1114845), (155, 891876), (186, 743230), (310, 445938), (372, 371615), (465, 297292), (620, 222969), (930, 148646), (1860, 74323)]