77856880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 192532320

約数和(自身を除く): 114675440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 370, 464, 580, 592, 740, 907, 1073, 1160, 1480, 1814, 2146, 2320, 2960, 3628, 4292, 4535, 5365, 7256, 8584, 9070, 10730, 14512, 17168, 18140, 21460, 26303, 33559, 36280, 42920, 52606, 67118, 72560, 85840, 105212, 131515, 134236, 167795, 210424, 263030, 268472, 335590, 420848, 526060, 536944, 671180, 973211, 1052120, 1342360, 1946422, 2104240, 2684720, 3892844, 4866055, 7785688, 9732110, 15571376, 19464220, 38928440, 77856880]

約数ペア:

[(1, 77856880), (2, 38928440), (4, 19464220), (5, 15571376), (8, 9732110), (10, 7785688), (16, 4866055), (20, 3892844), (29, 2684720), (37, 2104240), (40, 1946422), (58, 1342360), (74, 1052120), (80, 973211), (116, 671180), (145, 536944), (148, 526060), (185, 420848), (232, 335590), (290, 268472), (296, 263030), (370, 210424), (464, 167795), (580, 134236), (592, 131515), (740, 105212), (907, 85840), (1073, 72560), (1160, 67118), (1480, 52606), (1814, 42920), (2146, 36280), (2320, 33559), (2960, 26303), (3628, 21460), (4292, 18140), (4535, 17168), (5365, 14512), (7256, 10730), (8584, 9070)]