1288392560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{176977}}^1$

素因数の和:177010

約数の個数: 80

約数和(自身を含む): 3686805696

約数和(自身を除く): 2398413136

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 176977, 353954, 707908, 884885, 1238839, 1415816, 1769770, 2300701, 2477678, 2831632, 3539540, 4601402, 4955356, 6194195, 7079080, 9202804, 9910712, 11503505, 12388390, 14158160, 16104907, 18405608, 19821424, 23007010, 24776780, 32209814, 36811216, 46014020, 49553560, 64419628, 80524535, 92028040, 99107120, 128839256, 161049070, 184056080, 257678512, 322098140, 644196280, 1288392560]

約数ペア:

[(1, 1288392560), (2, 644196280), (4, 322098140), (5, 257678512), (7, 184056080), (8, 161049070), (10, 128839256), (13, 99107120), (14, 92028040), (16, 80524535), (20, 64419628), (26, 49553560), (28, 46014020), (35, 36811216), (40, 32209814), (52, 24776780), (56, 23007010), (65, 19821424), (70, 18405608), (80, 16104907), (91, 14158160), (104, 12388390), (112, 11503505), (130, 9910712), (140, 9202804), (182, 7079080), (208, 6194195), (260, 4955356), (280, 4601402), (364, 3539540), (455, 2831632), (520, 2477678), (560, 2300701), (728, 1769770), (910, 1415816), (1040, 1238839), (1456, 884885), (1820, 707908), (3640, 353954), (7280, 176977)]