15128400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{1801}}^1$

素因数の和:1829

約数の個数: 120

約数和(自身を含む): 55415104

約数和(自身を除く): 40286704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 1801, 2100, 2800, 3602, 4200, 5403, 7204, 8400, 9005, 10806, 12607, 14408, 18010, 21612, 25214, 27015, 28816, 36020, 37821, 43224, 45025, 50428, 54030, 63035, 72040, 75642, 86448, 90050, 100856, 108060, 126070, 135075, 144080, 151284, 180100, 189105, 201712, 216120, 252140, 270150, 302568, 315175, 360200, 378210, 432240, 504280, 540300, 605136, 630350, 720400, 756420, 945525, 1008560, 1080600, 1260700, 1512840, 1891050, 2161200, 2521400, 3025680, 3782100, 5042800, 7564200, 15128400]

約数ペア:

[(1, 15128400), (2, 7564200), (3, 5042800), (4, 3782100), (5, 3025680), (6, 2521400), (7, 2161200), (8, 1891050), (10, 1512840), (12, 1260700), (14, 1080600), (15, 1008560), (16, 945525), (20, 756420), (21, 720400), (24, 630350), (25, 605136), (28, 540300), (30, 504280), (35, 432240), (40, 378210), (42, 360200), (48, 315175), (50, 302568), (56, 270150), (60, 252140), (70, 216120), (75, 201712), (80, 189105), (84, 180100), (100, 151284), (105, 144080), (112, 135075), (120, 126070), (140, 108060), (150, 100856), (168, 90050), (175, 86448), (200, 75642), (210, 72040), (240, 63035), (280, 54030), (300, 50428), (336, 45025), (350, 43224), (400, 37821), (420, 36020), (525, 28816), (560, 27015), (600, 25214), (700, 21612), (840, 18010), (1050, 14408), (1200, 12607), (1400, 10806), (1680, 9005), (1801, 8400), (2100, 7204), (2800, 5403), (3602, 4200)]