64354400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 175488768

約数和(自身を除く): 111134368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 71, 80, 88, 100, 103, 110, 142, 160, 176, 200, 206, 220, 275, 284, 352, 355, 400, 412, 440, 515, 550, 568, 710, 781, 800, 824, 880, 1030, 1100, 1133, 1136, 1420, 1562, 1648, 1760, 1775, 2060, 2200, 2266, 2272, 2575, 2840, 3124, 3296, 3550, 3905, 4120, 4400, 4532, 5150, 5665, 5680, 6248, 7100, 7313, 7810, 8240, 8800, 9064, 10300, 11330, 11360, 12496, 14200, 14626, 15620, 16480, 18128, 19525, 20600, 22660, 24992, 28325, 28400, 29252, 31240, 36256, 36565, 39050, 41200, 45320, 56650, 56800, 58504, 62480, 73130, 78100, 80443, 82400, 90640, 113300, 117008, 124960, 146260, 156200, 160886, 181280, 182825, 226600, 234016, 292520, 312400, 321772, 365650, 402215, 453200, 585040, 624800, 643544, 731300, 804430, 906400, 1170080, 1287088, 1462600, 1608860, 2011075, 2574176, 2925200, 3217720, 4022150, 5850400, 6435440, 8044300, 12870880, 16088600, 32177200, 64354400]

約数ペア:

[(1, 64354400), (2, 32177200), (4, 16088600), (5, 12870880), (8, 8044300), (10, 6435440), (11, 5850400), (16, 4022150), (20, 3217720), (22, 2925200), (25, 2574176), (32, 2011075), (40, 1608860), (44, 1462600), (50, 1287088), (55, 1170080), (71, 906400), (80, 804430), (88, 731300), (100, 643544), (103, 624800), (110, 585040), (142, 453200), (160, 402215), (176, 365650), (200, 321772), (206, 312400), (220, 292520), (275, 234016), (284, 226600), (352, 182825), (355, 181280), (400, 160886), (412, 156200), (440, 146260), (515, 124960), (550, 117008), (568, 113300), (710, 90640), (781, 82400), (800, 80443), (824, 78100), (880, 73130), (1030, 62480), (1100, 58504), (1133, 56800), (1136, 56650), (1420, 45320), (1562, 41200), (1648, 39050), (1760, 36565), (1775, 36256), (2060, 31240), (2200, 29252), (2266, 28400), (2272, 28325), (2575, 24992), (2840, 22660), (3124, 20600), (3296, 19525), (3550, 18128), (3905, 16480), (4120, 15620), (4400, 14626), (4532, 14200), (5150, 12496), (5665, 11360), (5680, 11330), (6248, 10300), (7100, 9064), (7313, 8800), (7810, 8240)]