240912840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{286801}}^1$

素因数の和:286822

約数の個数: 64

約数和(自身を含む): 825989760

約数和(自身を除く): 585076920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 286801, 573602, 860403, 1147204, 1434005, 1720806, 2007607, 2294408, 2868010, 3441612, 4015214, 4302015, 5736020, 6022821, 6883224, 8030428, 8604030, 10038035, 11472040, 12045642, 16060856, 17208060, 20076070, 24091284, 30114105, 34416120, 40152140, 48182568, 60228210, 80304280, 120456420, 240912840]

約数ペア:

[(1, 240912840), (2, 120456420), (3, 80304280), (4, 60228210), (5, 48182568), (6, 40152140), (7, 34416120), (8, 30114105), (10, 24091284), (12, 20076070), (14, 17208060), (15, 16060856), (20, 12045642), (21, 11472040), (24, 10038035), (28, 8604030), (30, 8030428), (35, 6883224), (40, 6022821), (42, 5736020), (56, 4302015), (60, 4015214), (70, 3441612), (84, 2868010), (105, 2294408), (120, 2007607), (140, 1720806), (168, 1434005), (210, 1147204), (280, 860403), (420, 573602), (840, 286801)]