221136840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1231}}^1$

素因数の和:1747

約数の個数: 96

約数和(自身を含む): 720720000

約数和(自身を除く): 499583160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 499, 998, 1231, 1497, 1996, 2462, 2495, 2994, 3693, 3992, 4491, 4924, 4990, 5988, 6155, 7386, 7485, 8982, 9848, 9980, 11079, 11976, 12310, 14772, 14970, 17964, 18465, 19960, 22158, 22455, 24620, 29544, 29940, 35928, 36930, 44316, 44910, 49240, 55395, 59880, 73860, 88632, 89820, 110790, 147720, 179640, 221580, 443160, 614269, 1228538, 1842807, 2457076, 3071345, 3685614, 4914152, 5528421, 6142690, 7371228, 9214035, 11056842, 12285380, 14742456, 18428070, 22113684, 24570760, 27642105, 36856140, 44227368, 55284210, 73712280, 110568420, 221136840]

約数ペア:

[(1, 221136840), (2, 110568420), (3, 73712280), (4, 55284210), (5, 44227368), (6, 36856140), (8, 27642105), (9, 24570760), (10, 22113684), (12, 18428070), (15, 14742456), (18, 12285380), (20, 11056842), (24, 9214035), (30, 7371228), (36, 6142690), (40, 5528421), (45, 4914152), (60, 3685614), (72, 3071345), (90, 2457076), (120, 1842807), (180, 1228538), (360, 614269), (499, 443160), (998, 221580), (1231, 179640), (1497, 147720), (1996, 110790), (2462, 89820), (2495, 88632), (2994, 73860), (3693, 59880), (3992, 55395), (4491, 49240), (4924, 44910), (4990, 44316), (5988, 36930), (6155, 35928), (7386, 29940), (7485, 29544), (8982, 24620), (9848, 22455), (9980, 22158), (11079, 19960), (11976, 18465), (12310, 17964), (14772, 14970)]