153908400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{128257}}^1$

素因数の和:128278

約数の個数: 60

約数和(自身を含む): 493023752

約数和(自身を除く): 339115352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 128257, 256514, 384771, 513028, 641285, 769542, 1026056, 1282570, 1539084, 1923855, 2052112, 2565140, 3078168, 3206425, 3847710, 5130280, 6156336, 6412850, 7695420, 9619275, 10260560, 12825700, 15390840, 19238550, 25651400, 30781680, 38477100, 51302800, 76954200, 153908400]

約数ペア:

[(1, 153908400), (2, 76954200), (3, 51302800), (4, 38477100), (5, 30781680), (6, 25651400), (8, 19238550), (10, 15390840), (12, 12825700), (15, 10260560), (16, 9619275), (20, 7695420), (24, 6412850), (25, 6156336), (30, 5130280), (40, 3847710), (48, 3206425), (50, 3078168), (60, 2565140), (75, 2052112), (80, 1923855), (100, 1539084), (120, 1282570), (150, 1026056), (200, 769542), (240, 641285), (300, 513028), (400, 384771), (600, 256514), (1200, 128257)]