78403728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 160

約数和(自身を含む): 243734400

約数和(自身を除く): 165330672

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 19, 24, 26, 34, 38, 39, 48, 51, 52, 57, 68, 76, 78, 102, 104, 114, 136, 152, 156, 204, 208, 221, 228, 247, 272, 304, 312, 323, 389, 408, 442, 456, 494, 624, 646, 663, 741, 778, 816, 884, 912, 969, 988, 1167, 1292, 1326, 1482, 1556, 1768, 1938, 1976, 2334, 2584, 2652, 2964, 3112, 3536, 3876, 3952, 4199, 4668, 5057, 5168, 5304, 5928, 6224, 6613, 7391, 7752, 8398, 9336, 10114, 10608, 11856, 12597, 13226, 14782, 15171, 15504, 16796, 18672, 19839, 20228, 22173, 25194, 26452, 29564, 30342, 33592, 39678, 40456, 44346, 50388, 52904, 59128, 60684, 67184, 79356, 80912, 85969, 88692, 96083, 100776, 105808, 118256, 121368, 125647, 158712, 171938, 177384, 192166, 201552, 242736, 251294, 257907, 288249, 317424, 343876, 354768, 376941, 384332, 502588, 515814, 576498, 687752, 753882, 768664, 1005176, 1031628, 1152996, 1375504, 1507764, 1537328, 1633411, 2010352, 2063256, 2305992, 3015528, 3266822, 4126512, 4611984, 4900233, 6031056, 6533644, 9800466, 13067288, 19600932, 26134576, 39201864, 78403728]

約数ペア:

[(1, 78403728), (2, 39201864), (3, 26134576), (4, 19600932), (6, 13067288), (8, 9800466), (12, 6533644), (13, 6031056), (16, 4900233), (17, 4611984), (19, 4126512), (24, 3266822), (26, 3015528), (34, 2305992), (38, 2063256), (39, 2010352), (48, 1633411), (51, 1537328), (52, 1507764), (57, 1375504), (68, 1152996), (76, 1031628), (78, 1005176), (102, 768664), (104, 753882), (114, 687752), (136, 576498), (152, 515814), (156, 502588), (204, 384332), (208, 376941), (221, 354768), (228, 343876), (247, 317424), (272, 288249), (304, 257907), (312, 251294), (323, 242736), (389, 201552), (408, 192166), (442, 177384), (456, 171938), (494, 158712), (624, 125647), (646, 121368), (663, 118256), (741, 105808), (778, 100776), (816, 96083), (884, 88692), (912, 85969), (969, 80912), (988, 79356), (1167, 67184), (1292, 60684), (1326, 59128), (1482, 52904), (1556, 50388), (1768, 44346), (1938, 40456), (1976, 39678), (2334, 33592), (2584, 30342), (2652, 29564), (2964, 26452), (3112, 25194), (3536, 22173), (3876, 20228), (3952, 19839), (4199, 18672), (4668, 16796), (5057, 15504), (5168, 15171), (5304, 14782), (5928, 13226), (6224, 12597), (6613, 11856), (7391, 10608), (7752, 10114), (8398, 9336)]