1551149440

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:840

約数の個数: 128

約数和(自身を含む): 3898782720

約数和(自身を除く): 2347633280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 167, 184, 230, 320, 334, 368, 460, 631, 640, 668, 736, 835, 920, 1262, 1336, 1472, 1670, 1840, 2524, 2672, 2944, 3155, 3340, 3680, 3841, 5048, 5344, 6310, 6680, 7360, 7682, 10096, 10688, 12620, 13360, 14513, 14720, 15364, 19205, 20192, 21376, 25240, 26720, 29026, 30728, 38410, 40384, 50480, 53440, 58052, 61456, 72565, 76820, 80768, 100960, 105377, 106880, 116104, 122912, 145130, 153640, 201920, 210754, 232208, 245824, 290260, 307280, 403840, 421508, 464416, 491648, 526885, 580520, 614560, 843016, 928832, 1053770, 1161040, 1229120, 1686032, 1857664, 2107540, 2322080, 2423671, 2458240, 3372064, 4215080, 4644160, 4847342, 6744128, 8430160, 9288320, 9694684, 12118355, 13488256, 16860320, 19389368, 24236710, 33720640, 38778736, 48473420, 67441280, 77557472, 96946840, 155114944, 193893680, 310229888, 387787360, 775574720, 1551149440]

約数ペア:

[(1, 1551149440), (2, 775574720), (4, 387787360), (5, 310229888), (8, 193893680), (10, 155114944), (16, 96946840), (20, 77557472), (23, 67441280), (32, 48473420), (40, 38778736), (46, 33720640), (64, 24236710), (80, 19389368), (92, 16860320), (115, 13488256), (128, 12118355), (160, 9694684), (167, 9288320), (184, 8430160), (230, 6744128), (320, 4847342), (334, 4644160), (368, 4215080), (460, 3372064), (631, 2458240), (640, 2423671), (668, 2322080), (736, 2107540), (835, 1857664), (920, 1686032), (1262, 1229120), (1336, 1161040), (1472, 1053770), (1670, 928832), (1840, 843016), (2524, 614560), (2672, 580520), (2944, 526885), (3155, 491648), (3340, 464416), (3680, 421508), (3841, 403840), (5048, 307280), (5344, 290260), (6310, 245824), (6680, 232208), (7360, 210754), (7682, 201920), (10096, 153640), (10688, 145130), (12620, 122912), (13360, 116104), (14513, 106880), (14720, 105377), (15364, 100960), (19205, 80768), (20192, 76820), (21376, 72565), (25240, 61456), (26720, 58052), (29026, 53440), (30728, 50480), (38410, 40384)]