72129840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 237841920

約数和(自身を除く): 165712080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 73, 80, 92, 115, 120, 138, 146, 179, 184, 219, 230, 240, 276, 292, 345, 358, 365, 368, 438, 460, 537, 552, 584, 690, 716, 730, 876, 895, 920, 1074, 1095, 1104, 1168, 1380, 1432, 1460, 1679, 1752, 1790, 1840, 2148, 2190, 2685, 2760, 2864, 2920, 3358, 3504, 3580, 4117, 4296, 4380, 5037, 5370, 5520, 5840, 6716, 7160, 8234, 8395, 8592, 8760, 10074, 10740, 12351, 13067, 13432, 14320, 16468, 16790, 17520, 20148, 20585, 21480, 24702, 25185, 26134, 26864, 32936, 33580, 39201, 40296, 41170, 42960, 49404, 50370, 52268, 61755, 65335, 65872, 67160, 78402, 80592, 82340, 98808, 100740, 104536, 123510, 130670, 134320, 156804, 164680, 196005, 197616, 201480, 209072, 247020, 261340, 300541, 313608, 329360, 392010, 402960, 494040, 522680, 601082, 627216, 784020, 901623, 988080, 1045360, 1202164, 1502705, 1568040, 1803246, 2404328, 3005410, 3136080, 3606492, 4508115, 4808656, 6010820, 7212984, 9016230, 12021640, 14425968, 18032460, 24043280, 36064920, 72129840]

約数ペア:

[(1, 72129840), (2, 36064920), (3, 24043280), (4, 18032460), (5, 14425968), (6, 12021640), (8, 9016230), (10, 7212984), (12, 6010820), (15, 4808656), (16, 4508115), (20, 3606492), (23, 3136080), (24, 3005410), (30, 2404328), (40, 1803246), (46, 1568040), (48, 1502705), (60, 1202164), (69, 1045360), (73, 988080), (80, 901623), (92, 784020), (115, 627216), (120, 601082), (138, 522680), (146, 494040), (179, 402960), (184, 392010), (219, 329360), (230, 313608), (240, 300541), (276, 261340), (292, 247020), (345, 209072), (358, 201480), (365, 197616), (368, 196005), (438, 164680), (460, 156804), (537, 134320), (552, 130670), (584, 123510), (690, 104536), (716, 100740), (730, 98808), (876, 82340), (895, 80592), (920, 78402), (1074, 67160), (1095, 65872), (1104, 65335), (1168, 61755), (1380, 52268), (1432, 50370), (1460, 49404), (1679, 42960), (1752, 41170), (1790, 40296), (1840, 39201), (2148, 33580), (2190, 32936), (2685, 26864), (2760, 26134), (2864, 25185), (2920, 24702), (3358, 21480), (3504, 20585), (3580, 20148), (4117, 17520), (4296, 16790), (4380, 16468), (5037, 14320), (5370, 13432), (5520, 13067), (5840, 12351), (6716, 10740), (7160, 10074), (8234, 8760), (8395, 8592)]