68648320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:292

約数の個数: 128

約数和(自身を含む): 182327040

約数和(自身を除く): 113678720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 223, 260, 296, 320, 370, 416, 446, 481, 520, 592, 640, 740, 832, 892, 962, 1040, 1115, 1184, 1480, 1664, 1784, 1924, 2080, 2230, 2368, 2405, 2899, 2960, 3568, 3848, 4160, 4460, 4736, 4810, 5798, 5920, 7136, 7696, 8251, 8320, 8920, 9620, 11596, 11840, 14272, 14495, 15392, 16502, 17840, 19240, 23192, 23680, 28544, 28990, 30784, 33004, 35680, 38480, 41255, 46384, 57980, 61568, 66008, 71360, 76960, 82510, 92768, 107263, 115960, 132016, 142720, 153920, 165020, 185536, 214526, 231920, 264032, 307840, 330040, 371072, 429052, 463840, 528064, 536315, 660080, 858104, 927680, 1056128, 1072630, 1320160, 1716208, 1855360, 2145260, 2640320, 3432416, 4290520, 5280640, 6864832, 8581040, 13729664, 17162080, 34324160, 68648320]

約数ペア:

[(1, 68648320), (2, 34324160), (4, 17162080), (5, 13729664), (8, 8581040), (10, 6864832), (13, 5280640), (16, 4290520), (20, 3432416), (26, 2640320), (32, 2145260), (37, 1855360), (40, 1716208), (52, 1320160), (64, 1072630), (65, 1056128), (74, 927680), (80, 858104), (104, 660080), (128, 536315), (130, 528064), (148, 463840), (160, 429052), (185, 371072), (208, 330040), (223, 307840), (260, 264032), (296, 231920), (320, 214526), (370, 185536), (416, 165020), (446, 153920), (481, 142720), (520, 132016), (592, 115960), (640, 107263), (740, 92768), (832, 82510), (892, 76960), (962, 71360), (1040, 66008), (1115, 61568), (1184, 57980), (1480, 46384), (1664, 41255), (1784, 38480), (1924, 35680), (2080, 33004), (2230, 30784), (2368, 28990), (2405, 28544), (2899, 23680), (2960, 23192), (3568, 19240), (3848, 17840), (4160, 16502), (4460, 15392), (4736, 14495), (4810, 14272), (5798, 11840), (5920, 11596), (7136, 9620), (7696, 8920), (8251, 8320)]