205608720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{856703}}^1$

素因数の和:856719

約数の個数: 40

約数和(自身を含む): 637387776

約数和(自身を除く): 431779056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 856703, 1713406, 2570109, 3426812, 4283515, 5140218, 6853624, 8567030, 10280436, 12850545, 13707248, 17134060, 20560872, 25701090, 34268120, 41121744, 51402180, 68536240, 102804360, 205608720]

約数ペア:

[(1, 205608720), (2, 102804360), (3, 68536240), (4, 51402180), (5, 41121744), (6, 34268120), (8, 25701090), (10, 20560872), (12, 17134060), (15, 13707248), (16, 12850545), (20, 10280436), (24, 8567030), (30, 6853624), (40, 5140218), (48, 4283515), (60, 3426812), (80, 2570109), (120, 1713406), (240, 856703)]