128655360

素因数分解:

$2^{13}\times 3^2\times 5^1\times {\mathrm{349}}^1$

素因数の和:386

約数の個数: 168

約数和(自身を含む): 447255900

約数和(自身を除く): 318600540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 349, 360, 384, 480, 512, 576, 640, 698, 720, 768, 960, 1024, 1047, 1152, 1280, 1396, 1440, 1536, 1745, 1920, 2048, 2094, 2304, 2560, 2792, 2880, 3072, 3141, 3490, 3840, 4096, 4188, 4608, 5120, 5235, 5584, 5760, 6144, 6282, 6980, 7680, 8192, 8376, 9216, 10240, 10470, 11168, 11520, 12288, 12564, 13960, 15360, 15705, 16752, 18432, 20480, 20940, 22336, 23040, 24576, 25128, 27920, 30720, 31410, 33504, 36864, 40960, 41880, 44672, 46080, 50256, 55840, 61440, 62820, 67008, 73728, 83760, 89344, 92160, 100512, 111680, 122880, 125640, 134016, 167520, 178688, 184320, 201024, 223360, 251280, 268032, 335040, 357376, 368640, 402048, 446720, 502560, 536064, 670080, 714752, 804096, 893440, 1005120, 1072128, 1340160, 1429504, 1608192, 1786880, 2010240, 2144256, 2680320, 2859008, 3216384, 3573760, 4020480, 4288512, 5360640, 6432768, 7147520, 8040960, 8577024, 10721280, 12865536, 14295040, 16081920, 21442560, 25731072, 32163840, 42885120, 64327680, 128655360]

約数ペア:

[(1, 128655360), (2, 64327680), (3, 42885120), (4, 32163840), (5, 25731072), (6, 21442560), (8, 16081920), (9, 14295040), (10, 12865536), (12, 10721280), (15, 8577024), (16, 8040960), (18, 7147520), (20, 6432768), (24, 5360640), (30, 4288512), (32, 4020480), (36, 3573760), (40, 3216384), (45, 2859008), (48, 2680320), (60, 2144256), (64, 2010240), (72, 1786880), (80, 1608192), (90, 1429504), (96, 1340160), (120, 1072128), (128, 1005120), (144, 893440), (160, 804096), (180, 714752), (192, 670080), (240, 536064), (256, 502560), (288, 446720), (320, 402048), (349, 368640), (360, 357376), (384, 335040), (480, 268032), (512, 251280), (576, 223360), (640, 201024), (698, 184320), (720, 178688), (768, 167520), (960, 134016), (1024, 125640), (1047, 122880), (1152, 111680), (1280, 100512), (1396, 92160), (1440, 89344), (1536, 83760), (1745, 73728), (1920, 67008), (2048, 62820), (2094, 61440), (2304, 55840), (2560, 50256), (2792, 46080), (2880, 44672), (3072, 41880), (3141, 40960), (3490, 36864), (3840, 33504), (4096, 31410), (4188, 30720), (4608, 27920), (5120, 25128), (5235, 24576), (5584, 23040), (5760, 22336), (6144, 20940), (6282, 20480), (6980, 18432), (7680, 16752), (8192, 15705), (8376, 15360), (9216, 13960), (10240, 12564), (10470, 12288), (11168, 11520)]