77488740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:802

約数の個数: 144

約数和(自身を含む): 272039040

約数和(自身を除く): 194550300

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, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 691, 801, 890, 1068, 1246, 1260, 1335, 1382, 1602, 1780, 1869, 2073, 2492, 2670, 2764, 3115, 3204, 3455, 3738, 4005, 4146, 4837, 5340, 5607, 6219, 6230, 6910, 7476, 8010, 8292, 9345, 9674, 10365, 11214, 12438, 12460, 13820, 14511, 16020, 18690, 19348, 20730, 22428, 24185, 24876, 28035, 29022, 31095, 37380, 41460, 43533, 48370, 56070, 58044, 61499, 62190, 72555, 87066, 96740, 112140, 122998, 124380, 145110, 174132, 184497, 217665, 245996, 290220, 307495, 368994, 430493, 435330, 553491, 614990, 737988, 860986, 870660, 922485, 1106982, 1229980, 1291479, 1721972, 1844970, 2152465, 2213964, 2582958, 2767455, 3689940, 3874437, 4304930, 5165916, 5534910, 6457395, 7748874, 8609860, 11069820, 12914790, 15497748, 19372185, 25829580, 38744370, 77488740]

約数ペア:

[(1, 77488740), (2, 38744370), (3, 25829580), (4, 19372185), (5, 15497748), (6, 12914790), (7, 11069820), (9, 8609860), (10, 7748874), (12, 6457395), (14, 5534910), (15, 5165916), (18, 4304930), (20, 3874437), (21, 3689940), (28, 2767455), (30, 2582958), (35, 2213964), (36, 2152465), (42, 1844970), (45, 1721972), (60, 1291479), (63, 1229980), (70, 1106982), (84, 922485), (89, 870660), (90, 860986), (105, 737988), (126, 614990), (140, 553491), (178, 435330), (180, 430493), (210, 368994), (252, 307495), (267, 290220), (315, 245996), (356, 217665), (420, 184497), (445, 174132), (534, 145110), (623, 124380), (630, 122998), (691, 112140), (801, 96740), (890, 87066), (1068, 72555), (1246, 62190), (1260, 61499), (1335, 58044), (1382, 56070), (1602, 48370), (1780, 43533), (1869, 41460), (2073, 37380), (2492, 31095), (2670, 29022), (2764, 28035), (3115, 24876), (3204, 24185), (3455, 22428), (3738, 20730), (4005, 19348), (4146, 18690), (4837, 16020), (5340, 14511), (5607, 13820), (6219, 12460), (6230, 12438), (6910, 11214), (7476, 10365), (8010, 9674), (8292, 9345)]