281330832080

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{571}}^1\times {\mathrm{14029}}^1$

素因数の和:15052

約数の個数: 80

約数和(自身を含む): 656779094400

約数和(自身を除く): 375448262320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 571, 878, 1142, 1756, 2195, 2284, 2855, 3512, 4390, 4568, 5710, 7024, 8780, 9136, 11420, 14029, 17560, 22840, 28058, 35120, 45680, 56116, 70145, 112232, 140290, 224464, 250669, 280580, 501338, 561160, 1002676, 1122320, 1253345, 2005352, 2506690, 4010704, 5013380, 6158731, 8010559, 10026760, 12317462, 16021118, 20053520, 24634924, 30793655, 32042236, 40052795, 49269848, 61587310, 64084472, 80105590, 98539696, 123174620, 128168944, 160211180, 246349240, 320422360, 492698480, 640844720, 3516635401, 7033270802, 14066541604, 17583177005, 28133083208, 35166354010, 56266166416, 70332708020, 140665416040, 281330832080]

約数ペア:

[(1, 281330832080), (2, 140665416040), (4, 70332708020), (5, 56266166416), (8, 35166354010), (10, 28133083208), (16, 17583177005), (20, 14066541604), (40, 7033270802), (80, 3516635401), (439, 640844720), (571, 492698480), (878, 320422360), (1142, 246349240), (1756, 160211180), (2195, 128168944), (2284, 123174620), (2855, 98539696), (3512, 80105590), (4390, 64084472), (4568, 61587310), (5710, 49269848), (7024, 40052795), (8780, 32042236), (9136, 30793655), (11420, 24634924), (14029, 20053520), (17560, 16021118), (22840, 12317462), (28058, 10026760), (35120, 8010559), (45680, 6158731), (56116, 5013380), (70145, 4010704), (112232, 2506690), (140290, 2005352), (224464, 1253345), (250669, 1122320), (280580, 1002676), (501338, 561160)]