164354560

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 160

約数和(自身を含む): 432115200

約数和(自身を除く): 267760640

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, 512, 545, 589, 608, 620, 640, 760, 872, 992, 1090, 1178, 1216, 1240, 1280, 1520, 1744, 1984, 2071, 2180, 2356, 2432, 2480, 2560, 2945, 3040, 3379, 3488, 3968, 4142, 4360, 4712, 4864, 4960, 5890, 6080, 6758, 6976, 7936, 8284, 8720, 9424, 9728, 9920, 10355, 11780, 12160, 13516, 13952, 15872, 16568, 16895, 17440, 18848, 19840, 20710, 23560, 24320, 27032, 27904, 33136, 33790, 34880, 37696, 39680, 41420, 47120, 48640, 54064, 55808, 64201, 66272, 67580, 69760, 75392, 79360, 82840, 94240, 108128, 128402, 132544, 135160, 139520, 150784, 165680, 188480, 216256, 256804, 265088, 270320, 279040, 301568, 321005, 331360, 376960, 432512, 513608, 530176, 540640, 642010, 662720, 753920, 865024, 1027216, 1060352, 1081280, 1284020, 1325440, 1507840, 1730048, 2054432, 2162560, 2568040, 2650880, 4108864, 4325120, 5136080, 5301760, 8217728, 8650240, 10272160, 16435456, 20544320, 32870912, 41088640, 82177280, 164354560]

約数ペア:

[(1, 164354560), (2, 82177280), (4, 41088640), (5, 32870912), (8, 20544320), (10, 16435456), (16, 10272160), (19, 8650240), (20, 8217728), (31, 5301760), (32, 5136080), (38, 4325120), (40, 4108864), (62, 2650880), (64, 2568040), (76, 2162560), (80, 2054432), (95, 1730048), (109, 1507840), (124, 1325440), (128, 1284020), (152, 1081280), (155, 1060352), (160, 1027216), (190, 865024), (218, 753920), (248, 662720), (256, 642010), (304, 540640), (310, 530176), (320, 513608), (380, 432512), (436, 376960), (496, 331360), (512, 321005), (545, 301568), (589, 279040), (608, 270320), (620, 265088), (640, 256804), (760, 216256), (872, 188480), (992, 165680), (1090, 150784), (1178, 139520), (1216, 135160), (1240, 132544), (1280, 128402), (1520, 108128), (1744, 94240), (1984, 82840), (2071, 79360), (2180, 75392), (2356, 69760), (2432, 67580), (2480, 66272), (2560, 64201), (2945, 55808), (3040, 54064), (3379, 48640), (3488, 47120), (3968, 41420), (4142, 39680), (4360, 37696), (4712, 34880), (4864, 33790), (4960, 33136), (5890, 27904), (6080, 27032), (6758, 24320), (6976, 23560), (7936, 20710), (8284, 19840), (8720, 18848), (9424, 17440), (9728, 16895), (9920, 16568), (10355, 15872), (11780, 13952), (12160, 13516)]