11998980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 42456960

約数和(自身を除く): 30457980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 107, 126, 140, 178, 180, 210, 214, 252, 267, 315, 321, 356, 420, 428, 445, 534, 535, 623, 630, 642, 749, 801, 890, 963, 1068, 1070, 1246, 1260, 1284, 1335, 1498, 1602, 1605, 1780, 1869, 1926, 2140, 2247, 2492, 2670, 2996, 3115, 3204, 3210, 3738, 3745, 3852, 4005, 4494, 4815, 5340, 5607, 6230, 6420, 6741, 7476, 7490, 8010, 8988, 9345, 9523, 9630, 11214, 11235, 12460, 13482, 14980, 16020, 18690, 19046, 19260, 22428, 22470, 26964, 28035, 28569, 33705, 37380, 38092, 44940, 47615, 56070, 57138, 66661, 67410, 85707, 95230, 112140, 114276, 133322, 134820, 142845, 171414, 190460, 199983, 266644, 285690, 333305, 342828, 399966, 428535, 571380, 599949, 666610, 799932, 857070, 999915, 1199898, 1333220, 1714140, 1999830, 2399796, 2999745, 3999660, 5999490, 11998980]

約数ペア:

[(1, 11998980), (2, 5999490), (3, 3999660), (4, 2999745), (5, 2399796), (6, 1999830), (7, 1714140), (9, 1333220), (10, 1199898), (12, 999915), (14, 857070), (15, 799932), (18, 666610), (20, 599949), (21, 571380), (28, 428535), (30, 399966), (35, 342828), (36, 333305), (42, 285690), (45, 266644), (60, 199983), (63, 190460), (70, 171414), (84, 142845), (89, 134820), (90, 133322), (105, 114276), (107, 112140), (126, 95230), (140, 85707), (178, 67410), (180, 66661), (210, 57138), (214, 56070), (252, 47615), (267, 44940), (315, 38092), (321, 37380), (356, 33705), (420, 28569), (428, 28035), (445, 26964), (534, 22470), (535, 22428), (623, 19260), (630, 19046), (642, 18690), (749, 16020), (801, 14980), (890, 13482), (963, 12460), (1068, 11235), (1070, 11214), (1246, 9630), (1260, 9523), (1284, 9345), (1335, 8988), (1498, 8010), (1602, 7490), (1605, 7476), (1780, 6741), (1869, 6420), (1926, 6230), (2140, 5607), (2247, 5340), (2492, 4815), (2670, 4494), (2996, 4005), (3115, 3852), (3204, 3745), (3210, 3738)]