1218764520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{72031}}^1$

素因数の和:72095

約数の個数: 96

約数和(自身を含む): 4045317120

約数和(自身を除く): 2826552600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1410, 1692, 1880, 2115, 2820, 3384, 4230, 5640, 8460, 16920, 72031, 144062, 216093, 288124, 360155, 432186, 576248, 648279, 720310, 864372, 1080465, 1296558, 1440620, 1728744, 2160930, 2593116, 2881240, 3241395, 3385457, 4321860, 5186232, 6482790, 6770914, 8643720, 10156371, 12965580, 13541828, 16927285, 20312742, 25931160, 27083656, 30469113, 33854570, 40625484, 50781855, 60938226, 67709140, 81250968, 101563710, 121876452, 135418280, 152345565, 203127420, 243752904, 304691130, 406254840, 609382260, 1218764520]

約数ペア:

[(1, 1218764520), (2, 609382260), (3, 406254840), (4, 304691130), (5, 243752904), (6, 203127420), (8, 152345565), (9, 135418280), (10, 121876452), (12, 101563710), (15, 81250968), (18, 67709140), (20, 60938226), (24, 50781855), (30, 40625484), (36, 33854570), (40, 30469113), (45, 27083656), (47, 25931160), (60, 20312742), (72, 16927285), (90, 13541828), (94, 12965580), (120, 10156371), (141, 8643720), (180, 6770914), (188, 6482790), (235, 5186232), (282, 4321860), (360, 3385457), (376, 3241395), (423, 2881240), (470, 2593116), (564, 2160930), (705, 1728744), (846, 1440620), (940, 1296558), (1128, 1080465), (1410, 864372), (1692, 720310), (1880, 648279), (2115, 576248), (2820, 432186), (3384, 360155), (4230, 288124), (5640, 216093), (8460, 144062), (16920, 72031)]