81507960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{607}}^1$

素因数の和:997

約数の個数: 96

約数和(自身を含む): 266048640

約数和(自身を除く): 184540680

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, 373, 607, 746, 1119, 1214, 1492, 1821, 1865, 2238, 2428, 2984, 3035, 3357, 3642, 3730, 4476, 4856, 5463, 5595, 6070, 6714, 7284, 7460, 8952, 9105, 10926, 11190, 12140, 13428, 14568, 14920, 16785, 18210, 21852, 22380, 24280, 26856, 27315, 33570, 36420, 43704, 44760, 54630, 67140, 72840, 109260, 134280, 218520, 226411, 452822, 679233, 905644, 1132055, 1358466, 1811288, 2037699, 2264110, 2716932, 3396165, 4075398, 4528220, 5433864, 6792330, 8150796, 9056440, 10188495, 13584660, 16301592, 20376990, 27169320, 40753980, 81507960]

約数ペア:

[(1, 81507960), (2, 40753980), (3, 27169320), (4, 20376990), (5, 16301592), (6, 13584660), (8, 10188495), (9, 9056440), (10, 8150796), (12, 6792330), (15, 5433864), (18, 4528220), (20, 4075398), (24, 3396165), (30, 2716932), (36, 2264110), (40, 2037699), (45, 1811288), (60, 1358466), (72, 1132055), (90, 905644), (120, 679233), (180, 452822), (360, 226411), (373, 218520), (607, 134280), (746, 109260), (1119, 72840), (1214, 67140), (1492, 54630), (1821, 44760), (1865, 43704), (2238, 36420), (2428, 33570), (2984, 27315), (3035, 26856), (3357, 24280), (3642, 22380), (3730, 21852), (4476, 18210), (4856, 16785), (5463, 14920), (5595, 14568), (6070, 13428), (6714, 12140), (7284, 11190), (7460, 10926), (8952, 9105)]