15663460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2003}}^1$

素因数の和:2052

約数の個数: 48

約数和(自身を含む): 36360576

約数和(自身を除く): 20697116

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 2003, 3910, 4006, 7820, 8012, 10015, 20030, 34051, 40060, 46069, 68102, 92138, 136204, 170255, 184276, 230345, 340510, 460690, 681020, 783173, 921380, 1566346, 3132692, 3915865, 7831730, 15663460]

約数ペア:

[(1, 15663460), (2, 7831730), (4, 3915865), (5, 3132692), (10, 1566346), (17, 921380), (20, 783173), (23, 681020), (34, 460690), (46, 340510), (68, 230345), (85, 184276), (92, 170255), (115, 136204), (170, 92138), (230, 68102), (340, 46069), (391, 40060), (460, 34051), (782, 20030), (1564, 10015), (1955, 8012), (2003, 7820), (3910, 4006)]