326291840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:620

約数の個数: 128

約数和(自身を含む): 898758720

約数和(自身を除く): 572466880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 173, 224, 280, 320, 346, 421, 448, 560, 640, 692, 842, 865, 896, 1120, 1211, 1384, 1684, 1730, 2105, 2240, 2422, 2768, 2947, 3368, 3460, 4210, 4480, 4844, 5536, 5894, 6055, 6736, 6920, 8420, 9688, 11072, 11788, 12110, 13472, 13840, 14735, 16840, 19376, 22144, 23576, 24220, 26944, 27680, 29470, 33680, 38752, 47152, 48440, 53888, 55360, 58940, 67360, 72833, 77504, 94304, 96880, 110720, 117880, 134720, 145666, 155008, 188608, 193760, 235760, 269440, 291332, 364165, 377216, 387520, 471520, 509831, 582664, 728330, 775040, 943040, 1019662, 1165328, 1456660, 1886080, 2039324, 2330656, 2549155, 2913320, 4078648, 4661312, 5098310, 5826640, 8157296, 9322624, 10196620, 11653280, 16314592, 20393240, 23306560, 32629184, 40786480, 46613120, 65258368, 81572960, 163145920, 326291840]

約数ペア:

[(1, 326291840), (2, 163145920), (4, 81572960), (5, 65258368), (7, 46613120), (8, 40786480), (10, 32629184), (14, 23306560), (16, 20393240), (20, 16314592), (28, 11653280), (32, 10196620), (35, 9322624), (40, 8157296), (56, 5826640), (64, 5098310), (70, 4661312), (80, 4078648), (112, 2913320), (128, 2549155), (140, 2330656), (160, 2039324), (173, 1886080), (224, 1456660), (280, 1165328), (320, 1019662), (346, 943040), (421, 775040), (448, 728330), (560, 582664), (640, 509831), (692, 471520), (842, 387520), (865, 377216), (896, 364165), (1120, 291332), (1211, 269440), (1384, 235760), (1684, 193760), (1730, 188608), (2105, 155008), (2240, 145666), (2422, 134720), (2768, 117880), (2947, 110720), (3368, 96880), (3460, 94304), (4210, 77504), (4480, 72833), (4844, 67360), (5536, 58940), (5894, 55360), (6055, 53888), (6736, 48440), (6920, 47152), (8420, 38752), (9688, 33680), (11072, 29470), (11788, 27680), (12110, 26944), (13472, 24220), (13840, 23576), (14735, 22144), (16840, 19376)]