123813900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{6551}}^1$

素因数の和:6581

約数の個数: 144

約数和(自身を含む): 454970880

約数和(自身を除く): 331156980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4725, 6300, 6551, 9450, 13102, 18900, 19653, 26204, 32755, 39306, 45857, 58959, 65510, 78612, 91714, 98265, 117918, 131020, 137571, 163775, 176877, 183428, 196530, 229285, 235836, 275142, 294795, 327550, 353754, 393060, 412713, 458570, 491325, 550284, 589590, 655100, 687855, 707508, 825426, 884385, 917140, 982650, 1146425, 1179180, 1238139, 1375710, 1473975, 1650852, 1768770, 1965300, 2063565, 2292850, 2476278, 2751420, 2947950, 3439275, 3537540, 4127130, 4421925, 4585700, 4952556, 5895900, 6190695, 6878550, 8254260, 8843850, 10317825, 12381390, 13757100, 17687700, 20635650, 24762780, 30953475, 41271300, 61906950, 123813900]

約数ペア:

[(1, 123813900), (2, 61906950), (3, 41271300), (4, 30953475), (5, 24762780), (6, 20635650), (7, 17687700), (9, 13757100), (10, 12381390), (12, 10317825), (14, 8843850), (15, 8254260), (18, 6878550), (20, 6190695), (21, 5895900), (25, 4952556), (27, 4585700), (28, 4421925), (30, 4127130), (35, 3537540), (36, 3439275), (42, 2947950), (45, 2751420), (50, 2476278), (54, 2292850), (60, 2063565), (63, 1965300), (70, 1768770), (75, 1650852), (84, 1473975), (90, 1375710), (100, 1238139), (105, 1179180), (108, 1146425), (126, 982650), (135, 917140), (140, 884385), (150, 825426), (175, 707508), (180, 687855), (189, 655100), (210, 589590), (225, 550284), (252, 491325), (270, 458570), (300, 412713), (315, 393060), (350, 353754), (378, 327550), (420, 294795), (450, 275142), (525, 235836), (540, 229285), (630, 196530), (675, 183428), (700, 176877), (756, 163775), (900, 137571), (945, 131020), (1050, 117918), (1260, 98265), (1350, 91714), (1575, 78612), (1890, 65510), (2100, 58959), (2700, 45857), (3150, 39306), (3780, 32755), (4725, 26204), (6300, 19653), (6551, 18900), (9450, 13102)]