205983120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{122609}}^1$

素因数の和:122632

約数の個数: 80

約数和(自身を含む): 729774720

約数和(自身を除く): 523791600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 122609, 245218, 367827, 490436, 613045, 735654, 858263, 980872, 1226090, 1471308, 1716526, 1839135, 1961744, 2452180, 2574789, 2942616, 3433052, 3678270, 4291315, 4904360, 5149578, 5885232, 6866104, 7356540, 8582630, 9808720, 10299156, 12873945, 13732208, 14713080, 17165260, 20598312, 25747890, 29426160, 34330520, 41196624, 51495780, 68661040, 102991560, 205983120]

約数ペア:

[(1, 205983120), (2, 102991560), (3, 68661040), (4, 51495780), (5, 41196624), (6, 34330520), (7, 29426160), (8, 25747890), (10, 20598312), (12, 17165260), (14, 14713080), (15, 13732208), (16, 12873945), (20, 10299156), (21, 9808720), (24, 8582630), (28, 7356540), (30, 6866104), (35, 5885232), (40, 5149578), (42, 4904360), (48, 4291315), (56, 3678270), (60, 3433052), (70, 2942616), (80, 2574789), (84, 2452180), (105, 1961744), (112, 1839135), (120, 1716526), (140, 1471308), (168, 1226090), (210, 980872), (240, 858263), (280, 735654), (336, 613045), (420, 490436), (560, 367827), (840, 245218), (1680, 122609)]