1780495816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 3977424000

約数和(自身を除く): 2196928184

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 61, 68, 88, 109, 122, 136, 179, 187, 218, 244, 358, 374, 436, 488, 671, 716, 748, 872, 1037, 1199, 1342, 1432, 1496, 1853, 1969, 2074, 2398, 2684, 3043, 3706, 3938, 4148, 4796, 5368, 6086, 6649, 7412, 7876, 8296, 9592, 10919, 11407, 12172, 13298, 14824, 15752, 19511, 20383, 21838, 22814, 24344, 26596, 33473, 39022, 40766, 43676, 45628, 53192, 66946, 73139, 78044, 81532, 87352, 91256, 113033, 120109, 133892, 146278, 156088, 163064, 185623, 214621, 226066, 240218, 267784, 292556, 331687, 371246, 429242, 452132, 480436, 585112, 663374, 742492, 858484, 904264, 960872, 1190171, 1243363, 1326748, 1484984, 1716968, 2041853, 2380342, 2486726, 2653496, 3648557, 4083706, 4760684, 4973452, 7297114, 8167412, 9521368, 9946904, 13091881, 14594228, 16334824, 20232907, 26183762, 29188456, 40465814, 52367524, 80931628, 104735048, 161863256, 222561977, 445123954, 890247908, 1780495816]

約数ペア:

[(1, 1780495816), (2, 890247908), (4, 445123954), (8, 222561977), (11, 161863256), (17, 104735048), (22, 80931628), (34, 52367524), (44, 40465814), (61, 29188456), (68, 26183762), (88, 20232907), (109, 16334824), (122, 14594228), (136, 13091881), (179, 9946904), (187, 9521368), (218, 8167412), (244, 7297114), (358, 4973452), (374, 4760684), (436, 4083706), (488, 3648557), (671, 2653496), (716, 2486726), (748, 2380342), (872, 2041853), (1037, 1716968), (1199, 1484984), (1342, 1326748), (1432, 1243363), (1496, 1190171), (1853, 960872), (1969, 904264), (2074, 858484), (2398, 742492), (2684, 663374), (3043, 585112), (3706, 480436), (3938, 452132), (4148, 429242), (4796, 371246), (5368, 331687), (6086, 292556), (6649, 267784), (7412, 240218), (7876, 226066), (8296, 214621), (9592, 185623), (10919, 163064), (11407, 156088), (12172, 146278), (13298, 133892), (14824, 120109), (15752, 113033), (19511, 91256), (20383, 87352), (21838, 81532), (22814, 78044), (24344, 73139), (26596, 66946), (33473, 53192), (39022, 45628), (40766, 43676)]