82177280

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 215846400

約数和(自身を除く): 133669120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 109, 124, 128, 152, 155, 160, 190, 218, 248, 256, 304, 310, 320, 380, 436, 496, 545, 589, 608, 620, 640, 760, 872, 992, 1090, 1178, 1216, 1240, 1280, 1520, 1744, 1984, 2071, 2180, 2356, 2432, 2480, 2945, 3040, 3379, 3488, 3968, 4142, 4360, 4712, 4864, 4960, 5890, 6080, 6758, 6976, 7936, 8284, 8720, 9424, 9920, 10355, 11780, 12160, 13516, 13952, 16568, 16895, 17440, 18848, 19840, 20710, 23560, 24320, 27032, 27904, 33136, 33790, 34880, 37696, 39680, 41420, 47120, 54064, 64201, 66272, 67580, 69760, 75392, 82840, 94240, 108128, 128402, 132544, 135160, 139520, 150784, 165680, 188480, 216256, 256804, 265088, 270320, 321005, 331360, 376960, 432512, 513608, 530176, 540640, 642010, 662720, 753920, 865024, 1027216, 1081280, 1284020, 1325440, 2054432, 2162560, 2568040, 2650880, 4108864, 4325120, 5136080, 8217728, 10272160, 16435456, 20544320, 41088640, 82177280]

約数ペア:

[(1, 82177280), (2, 41088640), (4, 20544320), (5, 16435456), (8, 10272160), (10, 8217728), (16, 5136080), (19, 4325120), (20, 4108864), (31, 2650880), (32, 2568040), (38, 2162560), (40, 2054432), (62, 1325440), (64, 1284020), (76, 1081280), (80, 1027216), (95, 865024), (109, 753920), (124, 662720), (128, 642010), (152, 540640), (155, 530176), (160, 513608), (190, 432512), (218, 376960), (248, 331360), (256, 321005), (304, 270320), (310, 265088), (320, 256804), (380, 216256), (436, 188480), (496, 165680), (545, 150784), (589, 139520), (608, 135160), (620, 132544), (640, 128402), (760, 108128), (872, 94240), (992, 82840), (1090, 75392), (1178, 69760), (1216, 67580), (1240, 66272), (1280, 64201), (1520, 54064), (1744, 47120), (1984, 41420), (2071, 39680), (2180, 37696), (2356, 34880), (2432, 33790), (2480, 33136), (2945, 27904), (3040, 27032), (3379, 24320), (3488, 23560), (3968, 20710), (4142, 19840), (4360, 18848), (4712, 17440), (4864, 16895), (4960, 16568), (5890, 13952), (6080, 13516), (6758, 12160), (6976, 11780), (7936, 10355), (8284, 9920), (8720, 9424)]