77218740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1583}}^1$

素因数の和:1869

約数の個数: 72

約数和(自身を含む): 235243008

約数和(自身を除く): 158024268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1583, 1626, 2439, 2710, 3166, 3252, 4065, 4749, 4878, 5420, 6332, 7915, 8130, 9498, 9756, 12195, 14247, 15830, 16260, 18996, 23745, 24390, 28494, 31660, 47490, 48780, 56988, 71235, 94980, 142470, 284940, 428993, 857986, 1286979, 1715972, 2144965, 2573958, 3860937, 4289930, 5147916, 6434895, 7721874, 8579860, 12869790, 15443748, 19304685, 25739580, 38609370, 77218740]

約数ペア:

[(1, 77218740), (2, 38609370), (3, 25739580), (4, 19304685), (5, 15443748), (6, 12869790), (9, 8579860), (10, 7721874), (12, 6434895), (15, 5147916), (18, 4289930), (20, 3860937), (30, 2573958), (36, 2144965), (45, 1715972), (60, 1286979), (90, 857986), (180, 428993), (271, 284940), (542, 142470), (813, 94980), (1084, 71235), (1355, 56988), (1583, 48780), (1626, 47490), (2439, 31660), (2710, 28494), (3166, 24390), (3252, 23745), (4065, 18996), (4749, 16260), (4878, 15830), (5420, 14247), (6332, 12195), (7915, 9756), (8130, 9498)]