128615303728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{839}}^1\times {\mathrm{10729}}^1$

素因数の和:11642

約数の個数: 80

約数和(自身を含む): 268232832000

約数和(自身を除く): 139617528272

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 839, 893, 1678, 1786, 3356, 3572, 6712, 7144, 10729, 13424, 14288, 15941, 21458, 31882, 39433, 42916, 63764, 78866, 85832, 127528, 157732, 171664, 203851, 255056, 315464, 407702, 504263, 630928, 749227, 815404, 1008526, 1498454, 1630808, 2017052, 2996908, 3261616, 4034104, 5993816, 8068208, 9001631, 9580997, 11987632, 18003262, 19161994, 36006524, 38323988, 72013048, 76647976, 144026096, 153295952, 171030989, 342061978, 423076657, 684123956, 846153314, 1368247912, 1692306628, 2736495824, 3384613256, 6769226512, 8038456483, 16076912966, 32153825932, 64307651864, 128615303728]

約数ペア:

[(1, 128615303728), (2, 64307651864), (4, 32153825932), (8, 16076912966), (16, 8038456483), (19, 6769226512), (38, 3384613256), (47, 2736495824), (76, 1692306628), (94, 1368247912), (152, 846153314), (188, 684123956), (304, 423076657), (376, 342061978), (752, 171030989), (839, 153295952), (893, 144026096), (1678, 76647976), (1786, 72013048), (3356, 38323988), (3572, 36006524), (6712, 19161994), (7144, 18003262), (10729, 11987632), (13424, 9580997), (14288, 9001631), (15941, 8068208), (21458, 5993816), (31882, 4034104), (39433, 3261616), (42916, 2996908), (63764, 2017052), (78866, 1630808), (85832, 1498454), (127528, 1008526), (157732, 815404), (171664, 749227), (203851, 630928), (255056, 504263), (315464, 407702)]