1787319040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2903}}^1$

素因数の和:2974

約数の個数: 144

約数和(自身を含む): 4736749248

約数和(自身を除く): 2949430208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 256, 260, 296, 320, 370, 416, 481, 520, 592, 640, 740, 832, 962, 1040, 1184, 1280, 1480, 1664, 1924, 2080, 2368, 2405, 2903, 2960, 3328, 3848, 4160, 4736, 4810, 5806, 5920, 7696, 8320, 9472, 9620, 11612, 11840, 14515, 15392, 16640, 19240, 23224, 23680, 29030, 30784, 37739, 38480, 46448, 47360, 58060, 61568, 75478, 76960, 92896, 107411, 116120, 123136, 150956, 153920, 185792, 188695, 214822, 232240, 301912, 307840, 371584, 377390, 429644, 464480, 537055, 603824, 615680, 743168, 754780, 859288, 928960, 1074110, 1207648, 1396343, 1509560, 1718576, 1857920, 2148220, 2415296, 2792686, 3019120, 3437152, 3715840, 4296440, 4830592, 5585372, 6038240, 6874304, 6981715, 8592880, 9661184, 11170744, 12076480, 13748608, 13963430, 17185760, 22341488, 24152960, 27497216, 27926860, 34371520, 44682976, 48305920, 55853720, 68743040, 89365952, 111707440, 137486080, 178731904, 223414880, 357463808, 446829760, 893659520, 1787319040]

約数ペア:

[(1, 1787319040), (2, 893659520), (4, 446829760), (5, 357463808), (8, 223414880), (10, 178731904), (13, 137486080), (16, 111707440), (20, 89365952), (26, 68743040), (32, 55853720), (37, 48305920), (40, 44682976), (52, 34371520), (64, 27926860), (65, 27497216), (74, 24152960), (80, 22341488), (104, 17185760), (128, 13963430), (130, 13748608), (148, 12076480), (160, 11170744), (185, 9661184), (208, 8592880), (256, 6981715), (260, 6874304), (296, 6038240), (320, 5585372), (370, 4830592), (416, 4296440), (481, 3715840), (520, 3437152), (592, 3019120), (640, 2792686), (740, 2415296), (832, 2148220), (962, 1857920), (1040, 1718576), (1184, 1509560), (1280, 1396343), (1480, 1207648), (1664, 1074110), (1924, 928960), (2080, 859288), (2368, 754780), (2405, 743168), (2903, 615680), (2960, 603824), (3328, 537055), (3848, 464480), (4160, 429644), (4736, 377390), (4810, 371584), (5806, 307840), (5920, 301912), (7696, 232240), (8320, 214822), (9472, 188695), (9620, 185792), (11612, 153920), (11840, 150956), (14515, 123136), (15392, 116120), (16640, 107411), (19240, 92896), (23224, 76960), (23680, 75478), (29030, 61568), (30784, 58060), (37739, 47360), (38480, 46448)]