681540763520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34351853}}^1$

素因数の和:34351903

約数の個数: 64

約数和(自身を含む): 1681866771840

約数和(自身を除く): 1000326008320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 34351853, 68703706, 137407412, 171759265, 274814824, 343518530, 549629648, 687037060, 1064907443, 1099259296, 1374074120, 2129814886, 2198518592, 2748148240, 4259629772, 4397037184, 5324537215, 5496296480, 8519259544, 10649074430, 10992592960, 17038519088, 21298148860, 21985185920, 34077038176, 42596297720, 68154076352, 85192595440, 136308152704, 170385190880, 340770381760, 681540763520]

約数ペア:

[(1, 681540763520), (2, 340770381760), (4, 170385190880), (5, 136308152704), (8, 85192595440), (10, 68154076352), (16, 42596297720), (20, 34077038176), (31, 21985185920), (32, 21298148860), (40, 17038519088), (62, 10992592960), (64, 10649074430), (80, 8519259544), (124, 5496296480), (128, 5324537215), (155, 4397037184), (160, 4259629772), (248, 2748148240), (310, 2198518592), (320, 2129814886), (496, 1374074120), (620, 1099259296), (640, 1064907443), (992, 687037060), (1240, 549629648), (1984, 343518530), (2480, 274814824), (3968, 171759265), (4960, 137407412), (9920, 68703706), (19840, 34351853)]