1381854720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7823}}^1$

素因数の和:7872

約数の個数: 160

約数和(自身を含む): 4610276352

約数和(自身を除く): 3228421632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 512, 552, 640, 690, 736, 768, 920, 960, 1104, 1280, 1380, 1472, 1536, 1840, 1920, 2208, 2560, 2760, 2944, 3680, 3840, 4416, 5520, 5888, 7360, 7680, 7823, 8832, 11040, 11776, 14720, 15646, 17664, 22080, 23469, 29440, 31292, 35328, 39115, 44160, 46938, 58880, 62584, 78230, 88320, 93876, 117345, 125168, 156460, 176640, 179929, 187752, 234690, 250336, 312920, 359858, 375504, 469380, 500672, 539787, 625840, 719716, 751008, 899645, 938760, 1001344, 1079574, 1251680, 1439432, 1502016, 1799290, 1877520, 2002688, 2159148, 2503360, 2698935, 2878864, 3004032, 3598580, 3755040, 4005376, 4318296, 5006720, 5397870, 5757728, 6008064, 7197160, 7510080, 8636592, 10013440, 10795740, 11515456, 12016128, 14394320, 15020160, 17273184, 20026880, 21591480, 23030912, 28788640, 30040320, 34546368, 43182960, 46061824, 57577280, 60080640, 69092736, 86365920, 92123648, 115154560, 138185472, 172731840, 230309120, 276370944, 345463680, 460618240, 690927360, 1381854720]

約数ペア:

[(1, 1381854720), (2, 690927360), (3, 460618240), (4, 345463680), (5, 276370944), (6, 230309120), (8, 172731840), (10, 138185472), (12, 115154560), (15, 92123648), (16, 86365920), (20, 69092736), (23, 60080640), (24, 57577280), (30, 46061824), (32, 43182960), (40, 34546368), (46, 30040320), (48, 28788640), (60, 23030912), (64, 21591480), (69, 20026880), (80, 17273184), (92, 15020160), (96, 14394320), (115, 12016128), (120, 11515456), (128, 10795740), (138, 10013440), (160, 8636592), (184, 7510080), (192, 7197160), (230, 6008064), (240, 5757728), (256, 5397870), (276, 5006720), (320, 4318296), (345, 4005376), (368, 3755040), (384, 3598580), (460, 3004032), (480, 2878864), (512, 2698935), (552, 2503360), (640, 2159148), (690, 2002688), (736, 1877520), (768, 1799290), (920, 1502016), (960, 1439432), (1104, 1251680), (1280, 1079574), (1380, 1001344), (1472, 938760), (1536, 899645), (1840, 751008), (1920, 719716), (2208, 625840), (2560, 539787), (2760, 500672), (2944, 469380), (3680, 375504), (3840, 359858), (4416, 312920), (5520, 250336), (5888, 234690), (7360, 187752), (7680, 179929), (7823, 176640), (8832, 156460), (11040, 125168), (11776, 117345), (14720, 93876), (15646, 88320), (17664, 78230), (22080, 62584), (23469, 58880), (29440, 46938), (31292, 44160), (35328, 39115)]