15628060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 39299904

約数和(自身を除く): 23671844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 431, 490, 518, 740, 862, 980, 1036, 1295, 1724, 1813, 2155, 2590, 3017, 3626, 4310, 5180, 6034, 7252, 8620, 9065, 12068, 15085, 15947, 18130, 21119, 30170, 31894, 36260, 42238, 60340, 63788, 79735, 84476, 105595, 111629, 159470, 211190, 223258, 318940, 422380, 446516, 558145, 781403, 1116290, 1562806, 2232580, 3125612, 3907015, 7814030, 15628060]

約数ペア:

[(1, 15628060), (2, 7814030), (4, 3907015), (5, 3125612), (7, 2232580), (10, 1562806), (14, 1116290), (20, 781403), (28, 558145), (35, 446516), (37, 422380), (49, 318940), (70, 223258), (74, 211190), (98, 159470), (140, 111629), (148, 105595), (185, 84476), (196, 79735), (245, 63788), (259, 60340), (370, 42238), (431, 36260), (490, 31894), (518, 30170), (740, 21119), (862, 18130), (980, 15947), (1036, 15085), (1295, 12068), (1724, 9065), (1813, 8620), (2155, 7252), (2590, 6034), (3017, 5180), (3626, 4310)]