64981563136

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1\times {\mathrm{1609}}^1$

素因数の和:2390

約数の個数: 144

約数和(自身を含む): 153326817280

約数和(自身を除く): 88345254144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 727, 868, 896, 992, 1454, 1609, 1736, 1792, 1984, 2908, 3218, 3472, 3968, 5089, 5816, 6436, 6944, 7936, 10178, 11263, 11632, 12872, 13888, 20356, 22526, 22537, 23264, 25744, 27776, 40712, 45052, 45074, 46528, 49879, 51488, 55552, 81424, 90104, 90148, 93056, 99758, 102976, 157759, 162848, 180208, 180296, 186112, 199516, 205952, 315518, 325696, 349153, 360416, 360592, 399032, 411904, 631036, 651392, 698306, 720832, 721184, 798064, 1169743, 1262072, 1302784, 1396612, 1441664, 1442368, 1596128, 2339486, 2524144, 2793224, 2883328, 2884736, 3192256, 4678972, 5048288, 5586448, 5769472, 6384512, 8188201, 9357944, 10096576, 11172896, 12769024, 16376402, 18715888, 20193152, 22345792, 32752804, 36262033, 37431776, 40386304, 44691584, 65505608, 72524066, 74863552, 89383168, 131011216, 145048132, 149727104, 253834231, 262022432, 290096264, 299454208, 507668462, 524044864, 580192528, 1015336924, 1048089728, 1160385056, 2030673848, 2096179456, 2320770112, 4061347696, 4641540224, 8122695392, 9283080448, 16245390784, 32490781568, 64981563136]

約数ペア:

[(1, 64981563136), (2, 32490781568), (4, 16245390784), (7, 9283080448), (8, 8122695392), (14, 4641540224), (16, 4061347696), (28, 2320770112), (31, 2096179456), (32, 2030673848), (56, 1160385056), (62, 1048089728), (64, 1015336924), (112, 580192528), (124, 524044864), (128, 507668462), (217, 299454208), (224, 290096264), (248, 262022432), (256, 253834231), (434, 149727104), (448, 145048132), (496, 131011216), (727, 89383168), (868, 74863552), (896, 72524066), (992, 65505608), (1454, 44691584), (1609, 40386304), (1736, 37431776), (1792, 36262033), (1984, 32752804), (2908, 22345792), (3218, 20193152), (3472, 18715888), (3968, 16376402), (5089, 12769024), (5816, 11172896), (6436, 10096576), (6944, 9357944), (7936, 8188201), (10178, 6384512), (11263, 5769472), (11632, 5586448), (12872, 5048288), (13888, 4678972), (20356, 3192256), (22526, 2884736), (22537, 2883328), (23264, 2793224), (25744, 2524144), (27776, 2339486), (40712, 1596128), (45052, 1442368), (45074, 1441664), (46528, 1396612), (49879, 1302784), (51488, 1262072), (55552, 1169743), (81424, 798064), (90104, 721184), (90148, 720832), (93056, 698306), (99758, 651392), (102976, 631036), (157759, 411904), (162848, 399032), (180208, 360592), (180296, 360416), (186112, 349153), (199516, 325696), (205952, 315518)]