72145640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{36809}}^1$

素因数の和:36834

約数の個数: 48

約数和(自身を含む): 188835300

約数和(自身を除く): 116689660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 36809, 73618, 147236, 184045, 257663, 294472, 368090, 515326, 736180, 1030652, 1288315, 1472360, 1803641, 2061304, 2576630, 3607282, 5153260, 7214564, 9018205, 10306520, 14429128, 18036410, 36072820, 72145640]

約数ペア:

[(1, 72145640), (2, 36072820), (4, 18036410), (5, 14429128), (7, 10306520), (8, 9018205), (10, 7214564), (14, 5153260), (20, 3607282), (28, 2576630), (35, 2061304), (40, 1803641), (49, 1472360), (56, 1288315), (70, 1030652), (98, 736180), (140, 515326), (196, 368090), (245, 294472), (280, 257663), (392, 184045), (490, 147236), (980, 73618), (1960, 36809)]