326337920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:656

約数の個数: 128

約数和(自身を含む): 840153600

約数和(自身を除く): 513815680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 128, 152, 160, 188, 190, 235, 304, 320, 376, 380, 470, 571, 608, 640, 752, 760, 893, 940, 1142, 1216, 1504, 1520, 1786, 1880, 2284, 2432, 2855, 3008, 3040, 3572, 3760, 4465, 4568, 5710, 6016, 6080, 7144, 7520, 8930, 9136, 10849, 11420, 12160, 14288, 15040, 17860, 18272, 21698, 22840, 26837, 28576, 30080, 35720, 36544, 43396, 45680, 53674, 54245, 57152, 71440, 73088, 86792, 91360, 107348, 108490, 114304, 134185, 142880, 173584, 182720, 214696, 216980, 268370, 285760, 347168, 365440, 429392, 433960, 509903, 536740, 571520, 694336, 858784, 867920, 1019806, 1073480, 1388672, 1717568, 1735840, 2039612, 2146960, 2549515, 3435136, 3471680, 4079224, 4293920, 5099030, 6943360, 8158448, 8587840, 10198060, 16316896, 17175680, 20396120, 32633792, 40792240, 65267584, 81584480, 163168960, 326337920]

約数ペア:

[(1, 326337920), (2, 163168960), (4, 81584480), (5, 65267584), (8, 40792240), (10, 32633792), (16, 20396120), (19, 17175680), (20, 16316896), (32, 10198060), (38, 8587840), (40, 8158448), (47, 6943360), (64, 5099030), (76, 4293920), (80, 4079224), (94, 3471680), (95, 3435136), (128, 2549515), (152, 2146960), (160, 2039612), (188, 1735840), (190, 1717568), (235, 1388672), (304, 1073480), (320, 1019806), (376, 867920), (380, 858784), (470, 694336), (571, 571520), (608, 536740), (640, 509903), (752, 433960), (760, 429392), (893, 365440), (940, 347168), (1142, 285760), (1216, 268370), (1504, 216980), (1520, 214696), (1786, 182720), (1880, 173584), (2284, 142880), (2432, 134185), (2855, 114304), (3008, 108490), (3040, 107348), (3572, 91360), (3760, 86792), (4465, 73088), (4568, 71440), (5710, 57152), (6016, 54245), (6080, 53674), (7144, 45680), (7520, 43396), (8930, 36544), (9136, 35720), (10849, 30080), (11420, 28576), (12160, 26837), (14288, 22840), (15040, 21698), (17860, 18272)]