215290400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:323

約数の個数: 144

約数和(自身を含む): 573963264

約数和(自身を除く): 358672864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 127, 130, 160, 163, 200, 208, 254, 260, 325, 326, 400, 416, 508, 520, 635, 650, 652, 800, 815, 1016, 1040, 1270, 1300, 1304, 1630, 1651, 2032, 2080, 2119, 2540, 2600, 2608, 3175, 3260, 3302, 4064, 4075, 4238, 5080, 5200, 5216, 6350, 6520, 6604, 8150, 8255, 8476, 10160, 10400, 10595, 12700, 13040, 13208, 16300, 16510, 16952, 20320, 20701, 21190, 25400, 26080, 26416, 32600, 33020, 33904, 41275, 41402, 42380, 50800, 52832, 52975, 65200, 66040, 67808, 82550, 82804, 84760, 101600, 103505, 105950, 130400, 132080, 165100, 165608, 169520, 207010, 211900, 264160, 269113, 330200, 331216, 339040, 414020, 423800, 517525, 538226, 660400, 662432, 828040, 847600, 1035050, 1076452, 1320800, 1345565, 1656080, 1695200, 2070100, 2152904, 2691130, 3312160, 4140200, 4305808, 5382260, 6727825, 8280400, 8611616, 10764520, 13455650, 16560800, 21529040, 26911300, 43058080, 53822600, 107645200, 215290400]

約数ペア:

[(1, 215290400), (2, 107645200), (4, 53822600), (5, 43058080), (8, 26911300), (10, 21529040), (13, 16560800), (16, 13455650), (20, 10764520), (25, 8611616), (26, 8280400), (32, 6727825), (40, 5382260), (50, 4305808), (52, 4140200), (65, 3312160), (80, 2691130), (100, 2152904), (104, 2070100), (127, 1695200), (130, 1656080), (160, 1345565), (163, 1320800), (200, 1076452), (208, 1035050), (254, 847600), (260, 828040), (325, 662432), (326, 660400), (400, 538226), (416, 517525), (508, 423800), (520, 414020), (635, 339040), (650, 331216), (652, 330200), (800, 269113), (815, 264160), (1016, 211900), (1040, 207010), (1270, 169520), (1300, 165608), (1304, 165100), (1630, 132080), (1651, 130400), (2032, 105950), (2080, 103505), (2119, 101600), (2540, 84760), (2600, 82804), (2608, 82550), (3175, 67808), (3260, 66040), (3302, 65200), (4064, 52975), (4075, 52832), (4238, 50800), (5080, 42380), (5200, 41402), (5216, 41275), (6350, 33904), (6520, 33020), (6604, 32600), (8150, 26416), (8255, 26080), (8476, 25400), (10160, 21190), (10400, 20701), (10595, 20320), (12700, 16952), (13040, 16510), (13208, 16300)]