80663440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:689

約数の個数: 120

約数和(自身を含む): 222345144

約数和(自身を除く): 141681704

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 176, 208, 220, 242, 260, 286, 440, 484, 520, 572, 605, 641, 715, 880, 968, 1040, 1144, 1210, 1282, 1430, 1573, 1936, 2288, 2420, 2564, 2860, 3146, 3205, 4840, 5128, 5720, 6292, 6410, 7051, 7865, 8333, 9680, 10256, 11440, 12584, 12820, 14102, 15730, 16666, 25168, 25640, 28204, 31460, 33332, 35255, 41665, 51280, 56408, 62920, 66664, 70510, 77561, 83330, 91663, 112816, 125840, 133328, 141020, 155122, 166660, 183326, 282040, 310244, 333320, 366652, 387805, 458315, 564080, 620488, 666640, 733304, 775610, 916630, 1008293, 1240976, 1466608, 1551220, 1833260, 2016586, 3102440, 3666520, 4033172, 5041465, 6204880, 7333040, 8066344, 10082930, 16132688, 20165860, 40331720, 80663440]

約数ペア:

[(1, 80663440), (2, 40331720), (4, 20165860), (5, 16132688), (8, 10082930), (10, 8066344), (11, 7333040), (13, 6204880), (16, 5041465), (20, 4033172), (22, 3666520), (26, 3102440), (40, 2016586), (44, 1833260), (52, 1551220), (55, 1466608), (65, 1240976), (80, 1008293), (88, 916630), (104, 775610), (110, 733304), (121, 666640), (130, 620488), (143, 564080), (176, 458315), (208, 387805), (220, 366652), (242, 333320), (260, 310244), (286, 282040), (440, 183326), (484, 166660), (520, 155122), (572, 141020), (605, 133328), (641, 125840), (715, 112816), (880, 91663), (968, 83330), (1040, 77561), (1144, 70510), (1210, 66664), (1282, 62920), (1430, 56408), (1573, 51280), (1936, 41665), (2288, 35255), (2420, 33332), (2564, 31460), (2860, 28204), (3146, 25640), (3205, 25168), (4840, 16666), (5128, 15730), (5720, 14102), (6292, 12820), (6410, 12584), (7051, 11440), (7865, 10256), (8333, 9680)]