2018705850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{640859}}^1$

素因数の和:640884

約数の個数: 72

約数和(自身を含む): 6198397920

約数和(自身を除く): 4179692070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 640859, 1281718, 1922577, 3204295, 3845154, 4486013, 5767731, 6408590, 8972026, 9612885, 11535462, 13458039, 16021475, 19225770, 22430065, 26916078, 28838655, 32042950, 40374117, 44860130, 48064425, 57677310, 67290195, 80748234, 96128850, 112150325, 134580390, 144193275, 201870585, 224300650, 288386550, 336450975, 403741170, 672901950, 1009352925, 2018705850]

約数ペア:

[(1, 2018705850), (2, 1009352925), (3, 672901950), (5, 403741170), (6, 336450975), (7, 288386550), (9, 224300650), (10, 201870585), (14, 144193275), (15, 134580390), (18, 112150325), (21, 96128850), (25, 80748234), (30, 67290195), (35, 57677310), (42, 48064425), (45, 44860130), (50, 40374117), (63, 32042950), (70, 28838655), (75, 26916078), (90, 22430065), (105, 19225770), (126, 16021475), (150, 13458039), (175, 11535462), (210, 9612885), (225, 8972026), (315, 6408590), (350, 5767731), (450, 4486013), (525, 3845154), (630, 3204295), (1050, 1922577), (1575, 1281718), (3150, 640859)]