31759320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 102435840

約数和(自身を除く): 70676520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 311, 345, 370, 444, 460, 552, 555, 622, 690, 740, 851, 888, 920, 933, 1110, 1244, 1380, 1480, 1555, 1702, 1866, 2220, 2488, 2553, 2760, 3110, 3404, 3732, 4255, 4440, 4665, 5106, 6220, 6808, 7153, 7464, 8510, 9330, 10212, 11507, 12440, 12765, 14306, 17020, 18660, 20424, 21459, 23014, 25530, 28612, 34040, 34521, 35765, 37320, 42918, 46028, 51060, 57224, 57535, 69042, 71530, 85836, 92056, 102120, 107295, 115070, 138084, 143060, 171672, 172605, 214590, 230140, 264661, 276168, 286120, 345210, 429180, 460280, 529322, 690420, 793983, 858360, 1058644, 1323305, 1380840, 1587966, 2117288, 2646610, 3175932, 3969915, 5293220, 6351864, 7939830, 10586440, 15879660, 31759320]

約数ペア:

[(1, 31759320), (2, 15879660), (3, 10586440), (4, 7939830), (5, 6351864), (6, 5293220), (8, 3969915), (10, 3175932), (12, 2646610), (15, 2117288), (20, 1587966), (23, 1380840), (24, 1323305), (30, 1058644), (37, 858360), (40, 793983), (46, 690420), (60, 529322), (69, 460280), (74, 429180), (92, 345210), (111, 286120), (115, 276168), (120, 264661), (138, 230140), (148, 214590), (184, 172605), (185, 171672), (222, 143060), (230, 138084), (276, 115070), (296, 107295), (311, 102120), (345, 92056), (370, 85836), (444, 71530), (460, 69042), (552, 57535), (555, 57224), (622, 51060), (690, 46028), (740, 42918), (851, 37320), (888, 35765), (920, 34521), (933, 34040), (1110, 28612), (1244, 25530), (1380, 23014), (1480, 21459), (1555, 20424), (1702, 18660), (1866, 17020), (2220, 14306), (2488, 12765), (2553, 12440), (2760, 11507), (3110, 10212), (3404, 9330), (3732, 8510), (4255, 7464), (4440, 7153), (4665, 6808), (5106, 6220)]