77184540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1889}}^1$

素因数の和:2131

約数の個数: 72

約数和(自身を含む): 235282320

約数和(自身を除く): 158097780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 1889, 2043, 2270, 2724, 3405, 3778, 4086, 4540, 5667, 6810, 7556, 8172, 9445, 10215, 11334, 13620, 17001, 18890, 20430, 22668, 28335, 34002, 37780, 40860, 56670, 68004, 85005, 113340, 170010, 340020, 428803, 857606, 1286409, 1715212, 2144015, 2572818, 3859227, 4288030, 5145636, 6432045, 7718454, 8576060, 12864090, 15436908, 19296135, 25728180, 38592270, 77184540]

約数ペア:

[(1, 77184540), (2, 38592270), (3, 25728180), (4, 19296135), (5, 15436908), (6, 12864090), (9, 8576060), (10, 7718454), (12, 6432045), (15, 5145636), (18, 4288030), (20, 3859227), (30, 2572818), (36, 2144015), (45, 1715212), (60, 1286409), (90, 857606), (180, 428803), (227, 340020), (454, 170010), (681, 113340), (908, 85005), (1135, 68004), (1362, 56670), (1889, 40860), (2043, 37780), (2270, 34002), (2724, 28335), (3405, 22668), (3778, 20430), (4086, 18890), (4540, 17001), (5667, 13620), (6810, 11334), (7556, 10215), (8172, 9445)]