81929040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{631}}^1$

素因数の和:1188

約数の個数: 80

約数和(自身を含む): 254852736

約数和(自身を除く): 172923696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 541, 631, 1082, 1262, 1623, 1893, 2164, 2524, 2705, 3155, 3246, 3786, 4328, 5048, 5410, 6310, 6492, 7572, 8115, 8656, 9465, 10096, 10820, 12620, 12984, 15144, 16230, 18930, 21640, 25240, 25968, 30288, 32460, 37860, 43280, 50480, 64920, 75720, 129840, 151440, 341371, 682742, 1024113, 1365484, 1706855, 2048226, 2730968, 3413710, 4096452, 5120565, 5461936, 6827420, 8192904, 10241130, 13654840, 16385808, 20482260, 27309680, 40964520, 81929040]

約数ペア:

[(1, 81929040), (2, 40964520), (3, 27309680), (4, 20482260), (5, 16385808), (6, 13654840), (8, 10241130), (10, 8192904), (12, 6827420), (15, 5461936), (16, 5120565), (20, 4096452), (24, 3413710), (30, 2730968), (40, 2048226), (48, 1706855), (60, 1365484), (80, 1024113), (120, 682742), (240, 341371), (541, 151440), (631, 129840), (1082, 75720), (1262, 64920), (1623, 50480), (1893, 43280), (2164, 37860), (2524, 32460), (2705, 30288), (3155, 25968), (3246, 25240), (3786, 21640), (4328, 18930), (5048, 16230), (5410, 15144), (6310, 12984), (6492, 12620), (7572, 10820), (8115, 10096), (8656, 9465)]