202080420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1579}}^1$

素因数の和:1679

約数の個数: 120

約数和(自身を含む): 642364800

約数和(自身を除く): 440284380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 270, 316, 324, 395, 405, 474, 540, 711, 790, 810, 948, 1185, 1422, 1579, 1580, 1620, 2133, 2370, 2844, 3158, 3555, 4266, 4737, 4740, 6316, 6399, 7110, 7895, 8532, 9474, 10665, 12798, 14211, 14220, 15790, 18948, 21330, 23685, 25596, 28422, 31580, 31995, 42633, 42660, 47370, 56844, 63990, 71055, 85266, 94740, 124741, 127899, 127980, 142110, 170532, 213165, 249482, 255798, 284220, 374223, 426330, 498964, 511596, 623705, 639495, 748446, 852660, 1122669, 1247410, 1278990, 1496892, 1871115, 2245338, 2494820, 2557980, 3368007, 3742230, 4490676, 5613345, 6736014, 7484460, 10104021, 11226690, 13472028, 16840035, 20208042, 22453380, 33680070, 40416084, 50520105, 67360140, 101040210, 202080420]

約数ペア:

[(1, 202080420), (2, 101040210), (3, 67360140), (4, 50520105), (5, 40416084), (6, 33680070), (9, 22453380), (10, 20208042), (12, 16840035), (15, 13472028), (18, 11226690), (20, 10104021), (27, 7484460), (30, 6736014), (36, 5613345), (45, 4490676), (54, 3742230), (60, 3368007), (79, 2557980), (81, 2494820), (90, 2245338), (108, 1871115), (135, 1496892), (158, 1278990), (162, 1247410), (180, 1122669), (237, 852660), (270, 748446), (316, 639495), (324, 623705), (395, 511596), (405, 498964), (474, 426330), (540, 374223), (711, 284220), (790, 255798), (810, 249482), (948, 213165), (1185, 170532), (1422, 142110), (1579, 127980), (1580, 127899), (1620, 124741), (2133, 94740), (2370, 85266), (2844, 71055), (3158, 63990), (3555, 56844), (4266, 47370), (4737, 42660), (4740, 42633), (6316, 31995), (6399, 31580), (7110, 28422), (7895, 25596), (8532, 23685), (9474, 21330), (10665, 18948), (12798, 15790), (14211, 14220)]