1320656480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:529

約数の個数: 192

約数和(自身を含む): 3696694848

約数和(自身を除く): 2376038368

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 197, 208, 220, 260, 286, 293, 352, 394, 416, 440, 520, 572, 586, 715, 788, 880, 985, 1040, 1144, 1172, 1430, 1465, 1576, 1760, 1970, 2080, 2167, 2288, 2344, 2561, 2860, 2930, 3152, 3223, 3809, 3940, 4334, 4576, 4688, 5122, 5720, 5860, 6304, 6446, 7618, 7880, 8668, 9376, 10244, 10835, 11440, 11720, 12805, 12892, 15236, 15760, 16115, 17336, 19045, 20488, 21670, 22880, 23440, 25610, 25784, 28171, 30472, 31520, 32230, 34672, 38090, 40976, 41899, 43340, 46880, 51220, 51568, 56342, 57721, 60944, 64460, 69344, 76180, 81952, 83798, 86680, 102440, 103136, 112684, 115442, 121888, 128920, 140855, 152360, 167596, 173360, 204880, 209495, 225368, 230884, 257840, 281710, 288605, 304720, 335192, 346720, 409760, 418990, 450736, 461768, 515680, 563420, 577210, 609440, 634931, 670384, 750373, 837980, 901472, 923536, 1126840, 1154420, 1269862, 1340768, 1500746, 1675960, 1847072, 2253680, 2308840, 2539724, 3001492, 3174655, 3351920, 3751865, 4507360, 4617680, 5079448, 6002984, 6349310, 6703840, 7503730, 8254103, 9235360, 10158896, 12005968, 12698620, 15007460, 16508206, 20317792, 24011936, 25397240, 30014920, 33016412, 41270515, 50794480, 60029840, 66032824, 82541030, 101588960, 120059680, 132065648, 165082060, 264131296, 330164120, 660328240, 1320656480]

約数ペア:

[(1, 1320656480), (2, 660328240), (4, 330164120), (5, 264131296), (8, 165082060), (10, 132065648), (11, 120059680), (13, 101588960), (16, 82541030), (20, 66032824), (22, 60029840), (26, 50794480), (32, 41270515), (40, 33016412), (44, 30014920), (52, 25397240), (55, 24011936), (65, 20317792), (80, 16508206), (88, 15007460), (104, 12698620), (110, 12005968), (130, 10158896), (143, 9235360), (160, 8254103), (176, 7503730), (197, 6703840), (208, 6349310), (220, 6002984), (260, 5079448), (286, 4617680), (293, 4507360), (352, 3751865), (394, 3351920), (416, 3174655), (440, 3001492), (520, 2539724), (572, 2308840), (586, 2253680), (715, 1847072), (788, 1675960), (880, 1500746), (985, 1340768), (1040, 1269862), (1144, 1154420), (1172, 1126840), (1430, 923536), (1465, 901472), (1576, 837980), (1760, 750373), (1970, 670384), (2080, 634931), (2167, 609440), (2288, 577210), (2344, 563420), (2561, 515680), (2860, 461768), (2930, 450736), (3152, 418990), (3223, 409760), (3809, 346720), (3940, 335192), (4334, 304720), (4576, 288605), (4688, 281710), (5122, 257840), (5720, 230884), (5860, 225368), (6304, 209495), (6446, 204880), (7618, 173360), (7880, 167596), (8668, 152360), (9376, 140855), (10244, 128920), (10835, 121888), (11440, 115442), (11720, 112684), (12805, 103136), (12892, 102440), (15236, 86680), (15760, 83798), (16115, 81952), (17336, 76180), (19045, 69344), (20488, 64460), (21670, 60944), (22880, 57721), (23440, 56342), (25610, 51568), (25784, 51220), (28171, 46880), (30472, 43340), (31520, 41899), (32230, 40976), (34672, 38090)]