11991420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 43051008

約数和(自身を除く): 31059588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 307, 310, 315, 372, 420, 434, 465, 558, 614, 620, 630, 651, 868, 921, 930, 1085, 1116, 1228, 1260, 1302, 1395, 1535, 1842, 1860, 1953, 2149, 2170, 2604, 2763, 2790, 3070, 3255, 3684, 3906, 4298, 4340, 4605, 5526, 5580, 6140, 6447, 6510, 7812, 8596, 9210, 9517, 9765, 10745, 11052, 12894, 13020, 13815, 18420, 19034, 19341, 19530, 21490, 25788, 27630, 28551, 32235, 38068, 38682, 39060, 42980, 47585, 55260, 57102, 64470, 66619, 77364, 85653, 95170, 96705, 114204, 128940, 133238, 142755, 171306, 190340, 193410, 199857, 266476, 285510, 333095, 342612, 386820, 399714, 428265, 571020, 599571, 666190, 799428, 856530, 999285, 1199142, 1332380, 1713060, 1998570, 2398284, 2997855, 3997140, 5995710, 11991420]

約数ペア:

[(1, 11991420), (2, 5995710), (3, 3997140), (4, 2997855), (5, 2398284), (6, 1998570), (7, 1713060), (9, 1332380), (10, 1199142), (12, 999285), (14, 856530), (15, 799428), (18, 666190), (20, 599571), (21, 571020), (28, 428265), (30, 399714), (31, 386820), (35, 342612), (36, 333095), (42, 285510), (45, 266476), (60, 199857), (62, 193410), (63, 190340), (70, 171306), (84, 142755), (90, 133238), (93, 128940), (105, 114204), (124, 96705), (126, 95170), (140, 85653), (155, 77364), (180, 66619), (186, 64470), (210, 57102), (217, 55260), (252, 47585), (279, 42980), (307, 39060), (310, 38682), (315, 38068), (372, 32235), (420, 28551), (434, 27630), (465, 25788), (558, 21490), (614, 19530), (620, 19341), (630, 19034), (651, 18420), (868, 13815), (921, 13020), (930, 12894), (1085, 11052), (1116, 10745), (1228, 9765), (1260, 9517), (1302, 9210), (1395, 8596), (1535, 7812), (1842, 6510), (1860, 6447), (1953, 6140), (2149, 5580), (2170, 5526), (2604, 4605), (2763, 4340), (2790, 4298), (3070, 3906), (3255, 3684)]