15729740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 35985600

約数和(自身を除く): 20255860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 599, 1010, 1198, 1313, 2020, 2396, 2626, 2995, 5252, 5990, 6565, 7787, 11980, 13130, 15574, 26260, 31148, 38935, 60499, 77870, 120998, 155740, 241996, 302495, 604990, 786487, 1209980, 1572974, 3145948, 3932435, 7864870, 15729740]

約数ペア:

[(1, 15729740), (2, 7864870), (4, 3932435), (5, 3145948), (10, 1572974), (13, 1209980), (20, 786487), (26, 604990), (52, 302495), (65, 241996), (101, 155740), (130, 120998), (202, 77870), (260, 60499), (404, 38935), (505, 31148), (599, 26260), (1010, 15574), (1198, 13130), (1313, 11980), (2020, 7787), (2396, 6565), (2626, 5990), (2995, 5252)]