405353040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1688971}}^1$

素因数の和:1688987

約数の個数: 40

約数和(自身を含む): 1256595168

約数和(自身を除く): 851242128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1688971, 3377942, 5066913, 6755884, 8444855, 10133826, 13511768, 16889710, 20267652, 25334565, 27023536, 33779420, 40535304, 50669130, 67558840, 81070608, 101338260, 135117680, 202676520, 405353040]

約数ペア:

[(1, 405353040), (2, 202676520), (3, 135117680), (4, 101338260), (5, 81070608), (6, 67558840), (8, 50669130), (10, 40535304), (12, 33779420), (15, 27023536), (16, 25334565), (20, 20267652), (24, 16889710), (30, 13511768), (40, 10133826), (48, 8444855), (60, 6755884), (80, 5066913), (120, 3377942), (240, 1688971)]