398901471720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{2516411}}^1$

素因数の和:2517746

約数の個数: 64

約数和(自身を含む): 1197610799040

約数和(自身を除く): 798709327320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1321, 2642, 3963, 5284, 6605, 7926, 10568, 13210, 15852, 19815, 26420, 31704, 39630, 52840, 79260, 158520, 2516411, 5032822, 7549233, 10065644, 12582055, 15098466, 20131288, 25164110, 30196932, 37746165, 50328220, 60393864, 75492330, 100656440, 150984660, 301969320, 3324178931, 6648357862, 9972536793, 13296715724, 16620894655, 19945073586, 26593431448, 33241789310, 39890147172, 49862683965, 66483578620, 79780294344, 99725367930, 132967157240, 199450735860, 398901471720]

約数ペア:

[(1, 398901471720), (2, 199450735860), (3, 132967157240), (4, 99725367930), (5, 79780294344), (6, 66483578620), (8, 49862683965), (10, 39890147172), (12, 33241789310), (15, 26593431448), (20, 19945073586), (24, 16620894655), (30, 13296715724), (40, 9972536793), (60, 6648357862), (120, 3324178931), (1321, 301969320), (2642, 150984660), (3963, 100656440), (5284, 75492330), (6605, 60393864), (7926, 50328220), (10568, 37746165), (13210, 30196932), (15852, 25164110), (19815, 20131288), (26420, 15098466), (31704, 12582055), (39630, 10065644), (52840, 7549233), (79260, 5032822), (158520, 2516411)]