328709120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 176

約数和(自身を含む): 864652800

約数和(自身を除く): 535943680

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, 1024, 1090, 1178, 1216, 1240, 1280, 1520, 1744, 1984, 2071, 2180, 2356, 2432, 2480, 2560, 2945, 3040, 3379, 3488, 3968, 4142, 4360, 4712, 4864, 4960, 5120, 5890, 6080, 6758, 6976, 7936, 8284, 8720, 9424, 9728, 9920, 10355, 11780, 12160, 13516, 13952, 15872, 16568, 16895, 17440, 18848, 19456, 19840, 20710, 23560, 24320, 27032, 27904, 31744, 33136, 33790, 34880, 37696, 39680, 41420, 47120, 48640, 54064, 55808, 64201, 66272, 67580, 69760, 75392, 79360, 82840, 94240, 97280, 108128, 111616, 128402, 132544, 135160, 139520, 150784, 158720, 165680, 188480, 216256, 256804, 265088, 270320, 279040, 301568, 321005, 331360, 376960, 432512, 513608, 530176, 540640, 558080, 603136, 642010, 662720, 753920, 865024, 1027216, 1060352, 1081280, 1284020, 1325440, 1507840, 1730048, 2054432, 2120704, 2162560, 2568040, 2650880, 3015680, 3460096, 4108864, 4325120, 5136080, 5301760, 8217728, 8650240, 10272160, 10603520, 16435456, 17300480, 20544320, 32870912, 41088640, 65741824, 82177280, 164354560, 328709120]

約数ペア:

[(1, 328709120), (2, 164354560), (4, 82177280), (5, 65741824), (8, 41088640), (10, 32870912), (16, 20544320), (19, 17300480), (20, 16435456), (31, 10603520), (32, 10272160), (38, 8650240), (40, 8217728), (62, 5301760), (64, 5136080), (76, 4325120), (80, 4108864), (95, 3460096), (109, 3015680), (124, 2650880), (128, 2568040), (152, 2162560), (155, 2120704), (160, 2054432), (190, 1730048), (218, 1507840), (248, 1325440), (256, 1284020), (304, 1081280), (310, 1060352), (320, 1027216), (380, 865024), (436, 753920), (496, 662720), (512, 642010), (545, 603136), (589, 558080), (608, 540640), (620, 530176), (640, 513608), (760, 432512), (872, 376960), (992, 331360), (1024, 321005), (1090, 301568), (1178, 279040), (1216, 270320), (1240, 265088), (1280, 256804), (1520, 216256), (1744, 188480), (1984, 165680), (2071, 158720), (2180, 150784), (2356, 139520), (2432, 135160), (2480, 132544), (2560, 128402), (2945, 111616), (3040, 108128), (3379, 97280), (3488, 94240), (3968, 82840), (4142, 79360), (4360, 75392), (4712, 69760), (4864, 67580), (4960, 66272), (5120, 64201), (5890, 55808), (6080, 54064), (6758, 48640), (6976, 47120), (7936, 41420), (8284, 39680), (8720, 37696), (9424, 34880), (9728, 33790), (9920, 33136), (10355, 31744), (11780, 27904), (12160, 27032), (13516, 24320), (13952, 23560), (15872, 20710), (16568, 19840), (16895, 19456), (17440, 18848)]