78975180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{811}}^1$

素因数の和:1367

約数の個数: 72

約数和(自身を含む): 240296784

約数和(自身を除く): 161321604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 541, 811, 1082, 1622, 1623, 2164, 2433, 2705, 3244, 3246, 4055, 4866, 4869, 5410, 6492, 7299, 8110, 8115, 9732, 9738, 10820, 12165, 14598, 16220, 16230, 19476, 24330, 24345, 29196, 32460, 36495, 48660, 48690, 72990, 97380, 145980, 438751, 877502, 1316253, 1755004, 2193755, 2632506, 3948759, 4387510, 5265012, 6581265, 7897518, 8775020, 13162530, 15795036, 19743795, 26325060, 39487590, 78975180]

約数ペア:

[(1, 78975180), (2, 39487590), (3, 26325060), (4, 19743795), (5, 15795036), (6, 13162530), (9, 8775020), (10, 7897518), (12, 6581265), (15, 5265012), (18, 4387510), (20, 3948759), (30, 2632506), (36, 2193755), (45, 1755004), (60, 1316253), (90, 877502), (180, 438751), (541, 145980), (811, 97380), (1082, 72990), (1622, 48690), (1623, 48660), (2164, 36495), (2433, 32460), (2705, 29196), (3244, 24345), (3246, 24330), (4055, 19476), (4866, 16230), (4869, 16220), (5410, 14598), (6492, 12165), (7299, 10820), (8110, 9738), (8115, 9732)]