161580860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{4789}}^1$

素因数の和:5046

約数の個数: 48

約数和(自身を含む): 389484480

約数和(自身を除く): 227903620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 2410, 3374, 4789, 4820, 6748, 8435, 9578, 16870, 19156, 23945, 33523, 33740, 47890, 67046, 95780, 134092, 167615, 335230, 670460, 1154149, 2308298, 4616596, 5770745, 8079043, 11541490, 16158086, 23082980, 32316172, 40395215, 80790430, 161580860]

約数ペア:

[(1, 161580860), (2, 80790430), (4, 40395215), (5, 32316172), (7, 23082980), (10, 16158086), (14, 11541490), (20, 8079043), (28, 5770745), (35, 4616596), (70, 2308298), (140, 1154149), (241, 670460), (482, 335230), (964, 167615), (1205, 134092), (1687, 95780), (2410, 67046), (3374, 47890), (4789, 33740), (4820, 33523), (6748, 23945), (8435, 19156), (9578, 16870)]