257945040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{119419}}^1$

素因数の和:119441

約数の個数: 80

約数和(自身を含む): 888484800

約数和(自身を除く): 630539760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 119419, 238838, 358257, 477676, 597095, 716514, 955352, 1074771, 1194190, 1433028, 1791285, 1910704, 2149542, 2388380, 2866056, 3224313, 3582570, 4299084, 4776760, 5373855, 5732112, 6448626, 7165140, 8598168, 9553520, 10747710, 12897252, 14330280, 16121565, 17196336, 21495420, 25794504, 28660560, 32243130, 42990840, 51589008, 64486260, 85981680, 128972520, 257945040]

約数ペア:

[(1, 257945040), (2, 128972520), (3, 85981680), (4, 64486260), (5, 51589008), (6, 42990840), (8, 32243130), (9, 28660560), (10, 25794504), (12, 21495420), (15, 17196336), (16, 16121565), (18, 14330280), (20, 12897252), (24, 10747710), (27, 9553520), (30, 8598168), (36, 7165140), (40, 6448626), (45, 5732112), (48, 5373855), (54, 4776760), (60, 4299084), (72, 3582570), (80, 3224313), (90, 2866056), (108, 2388380), (120, 2149542), (135, 1910704), (144, 1791285), (180, 1433028), (216, 1194190), (240, 1074771), (270, 955352), (360, 716514), (432, 597095), (540, 477676), (720, 358257), (1080, 238838), (2160, 119419)]