404720640

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{8783}}^1$

素因数の和:8814

約数の個数: 132

約数和(自身を含む): 1402506144

約数和(自身を除く): 997785504

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, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 7680, 8783, 9216, 11520, 15360, 17566, 23040, 26349, 35132, 43915, 46080, 52698, 70264, 79047, 87830, 105396, 131745, 140528, 158094, 175660, 210792, 263490, 281056, 316188, 351320, 395235, 421584, 526980, 562112, 632376, 702640, 790470, 843168, 1053960, 1124224, 1264752, 1405280, 1580940, 1686336, 2107920, 2248448, 2529504, 2810560, 3161880, 3372672, 4215840, 4496896, 5059008, 5621120, 6323760, 6745344, 8431680, 8993792, 10118016, 11242240, 12647520, 13490688, 16863360, 20236032, 22484480, 25295040, 26981376, 33726720, 40472064, 44968960, 50590080, 67453440, 80944128, 101180160, 134906880, 202360320, 404720640]

約数ペア:

[(1, 404720640), (2, 202360320), (3, 134906880), (4, 101180160), (5, 80944128), (6, 67453440), (8, 50590080), (9, 44968960), (10, 40472064), (12, 33726720), (15, 26981376), (16, 25295040), (18, 22484480), (20, 20236032), (24, 16863360), (30, 13490688), (32, 12647520), (36, 11242240), (40, 10118016), (45, 8993792), (48, 8431680), (60, 6745344), (64, 6323760), (72, 5621120), (80, 5059008), (90, 4496896), (96, 4215840), (120, 3372672), (128, 3161880), (144, 2810560), (160, 2529504), (180, 2248448), (192, 2107920), (240, 1686336), (256, 1580940), (288, 1405280), (320, 1264752), (360, 1124224), (384, 1053960), (480, 843168), (512, 790470), (576, 702640), (640, 632376), (720, 562112), (768, 526980), (960, 421584), (1024, 395235), (1152, 351320), (1280, 316188), (1440, 281056), (1536, 263490), (1920, 210792), (2304, 175660), (2560, 158094), (2880, 140528), (3072, 131745), (3840, 105396), (4608, 87830), (5120, 79047), (5760, 70264), (7680, 52698), (8783, 46080), (9216, 43915), (11520, 35132), (15360, 26349), (17566, 23040)]