81959360

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{5227}}^1$

素因数の和:5258

約数の個数: 84

約数和(自身を含む): 227072952

約数和(自身を除く): 145113592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 5227, 7840, 10454, 15680, 20908, 26135, 36589, 41816, 52270, 73178, 83632, 104540, 146356, 167264, 182945, 209080, 256123, 292712, 334528, 365890, 418160, 512246, 585424, 731780, 836320, 1024492, 1170848, 1280615, 1463560, 1672640, 2048984, 2341696, 2561230, 2927120, 4097968, 5122460, 5854240, 8195936, 10244920, 11708480, 16391872, 20489840, 40979680, 81959360]

約数ペア:

[(1, 81959360), (2, 40979680), (4, 20489840), (5, 16391872), (7, 11708480), (8, 10244920), (10, 8195936), (14, 5854240), (16, 5122460), (20, 4097968), (28, 2927120), (32, 2561230), (35, 2341696), (40, 2048984), (49, 1672640), (56, 1463560), (64, 1280615), (70, 1170848), (80, 1024492), (98, 836320), (112, 731780), (140, 585424), (160, 512246), (196, 418160), (224, 365890), (245, 334528), (280, 292712), (320, 256123), (392, 209080), (448, 182945), (490, 167264), (560, 146356), (784, 104540), (980, 83632), (1120, 73178), (1568, 52270), (1960, 41816), (2240, 36589), (3136, 26135), (3920, 20908), (5227, 15680), (7840, 10454)]