18081840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:299

約数の個数: 160

約数和(自身を含む): 65710080

約数和(自身を除く): 47628240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 105, 112, 120, 140, 141, 168, 188, 210, 229, 235, 240, 280, 282, 329, 336, 376, 420, 458, 470, 560, 564, 658, 687, 705, 752, 840, 916, 940, 987, 1128, 1145, 1316, 1374, 1410, 1603, 1645, 1680, 1832, 1880, 1974, 2256, 2290, 2632, 2748, 2820, 3206, 3290, 3435, 3664, 3760, 3948, 4580, 4809, 4935, 5264, 5496, 5640, 6412, 6580, 6870, 7896, 8015, 9160, 9618, 9870, 10763, 10992, 11280, 12824, 13160, 13740, 15792, 16030, 18320, 19236, 19740, 21526, 24045, 25648, 26320, 27480, 32060, 32289, 38472, 39480, 43052, 48090, 53815, 54960, 64120, 64578, 75341, 76944, 78960, 86104, 96180, 107630, 128240, 129156, 150682, 161445, 172208, 192360, 215260, 226023, 258312, 301364, 322890, 376705, 384720, 430520, 452046, 516624, 602728, 645780, 753410, 861040, 904092, 1130115, 1205456, 1291560, 1506820, 1808184, 2260230, 2583120, 3013640, 3616368, 4520460, 6027280, 9040920, 18081840]

約数ペア:

[(1, 18081840), (2, 9040920), (3, 6027280), (4, 4520460), (5, 3616368), (6, 3013640), (7, 2583120), (8, 2260230), (10, 1808184), (12, 1506820), (14, 1291560), (15, 1205456), (16, 1130115), (20, 904092), (21, 861040), (24, 753410), (28, 645780), (30, 602728), (35, 516624), (40, 452046), (42, 430520), (47, 384720), (48, 376705), (56, 322890), (60, 301364), (70, 258312), (80, 226023), (84, 215260), (94, 192360), (105, 172208), (112, 161445), (120, 150682), (140, 129156), (141, 128240), (168, 107630), (188, 96180), (210, 86104), (229, 78960), (235, 76944), (240, 75341), (280, 64578), (282, 64120), (329, 54960), (336, 53815), (376, 48090), (420, 43052), (458, 39480), (470, 38472), (560, 32289), (564, 32060), (658, 27480), (687, 26320), (705, 25648), (752, 24045), (840, 21526), (916, 19740), (940, 19236), (987, 18320), (1128, 16030), (1145, 15792), (1316, 13740), (1374, 13160), (1410, 12824), (1603, 11280), (1645, 10992), (1680, 10763), (1832, 9870), (1880, 9618), (1974, 9160), (2256, 8015), (2290, 7896), (2632, 6870), (2748, 6580), (2820, 6412), (3206, 5640), (3290, 5496), (3435, 5264), (3664, 4935), (3760, 4809), (3948, 4580)]