15167780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 33196800

約数和(自身を除く): 18029020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 103, 148, 185, 199, 206, 370, 398, 412, 515, 740, 796, 995, 1030, 1990, 2060, 3811, 3980, 7363, 7622, 14726, 15244, 19055, 20497, 29452, 36815, 38110, 40994, 73630, 76220, 81988, 102485, 147260, 204970, 409940, 758389, 1516778, 3033556, 3791945, 7583890, 15167780]

約数ペア:

[(1, 15167780), (2, 7583890), (4, 3791945), (5, 3033556), (10, 1516778), (20, 758389), (37, 409940), (74, 204970), (103, 147260), (148, 102485), (185, 81988), (199, 76220), (206, 73630), (370, 40994), (398, 38110), (412, 36815), (515, 29452), (740, 20497), (796, 19055), (995, 15244), (1030, 14726), (1990, 7622), (2060, 7363), (3811, 3980)]