257339969120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{326441}}^1$

素因数の和:326848

約数の個数: 96

約数和(自身を含む): 656461804320

約数和(自身を除く): 399121835200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 379, 416, 520, 758, 1040, 1516, 1895, 2080, 3032, 3790, 4927, 6064, 7580, 9854, 12128, 15160, 19708, 24635, 30320, 39416, 49270, 60640, 78832, 98540, 157664, 197080, 326441, 394160, 652882, 788320, 1305764, 1632205, 2611528, 3264410, 4243733, 5223056, 6528820, 8487466, 10446112, 13057640, 16974932, 21218665, 26115280, 33949864, 42437330, 52230560, 67899728, 84874660, 123721139, 135799456, 169749320, 247442278, 339498640, 494884556, 618605695, 678997280, 989769112, 1237211390, 1608374807, 1979538224, 2474422780, 3216749614, 3959076448, 4948845560, 6433499228, 8041874035, 9897691120, 12866998456, 16083748070, 19795382240, 25733996912, 32167496140, 51467993824, 64334992280, 128669984560, 257339969120]

約数ペア:

[(1, 257339969120), (2, 128669984560), (4, 64334992280), (5, 51467993824), (8, 32167496140), (10, 25733996912), (13, 19795382240), (16, 16083748070), (20, 12866998456), (26, 9897691120), (32, 8041874035), (40, 6433499228), (52, 4948845560), (65, 3959076448), (80, 3216749614), (104, 2474422780), (130, 1979538224), (160, 1608374807), (208, 1237211390), (260, 989769112), (379, 678997280), (416, 618605695), (520, 494884556), (758, 339498640), (1040, 247442278), (1516, 169749320), (1895, 135799456), (2080, 123721139), (3032, 84874660), (3790, 67899728), (4927, 52230560), (6064, 42437330), (7580, 33949864), (9854, 26115280), (12128, 21218665), (15160, 16974932), (19708, 13057640), (24635, 10446112), (30320, 8487466), (39416, 6528820), (49270, 5223056), (60640, 4243733), (78832, 3264410), (98540, 2611528), (157664, 1632205), (197080, 1305764), (326441, 788320), (394160, 652882)]