1721167280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{133631}}^1$

素因数の和:133674

約数の個数: 80

約数和(自身を含む): 4772265984

約数和(自身を除く): 3051098704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 133631, 267262, 534524, 668155, 935417, 1069048, 1336310, 1870834, 2138096, 2672620, 3073513, 3741668, 4677085, 5345240, 6147026, 7483336, 9354170, 10690480, 12294052, 14966672, 15367565, 18708340, 21514591, 24588104, 30735130, 37416680, 43029182, 49176208, 61470260, 74833360, 86058364, 107572955, 122940520, 172116728, 215145910, 245881040, 344233456, 430291820, 860583640, 1721167280]

約数ペア:

[(1, 1721167280), (2, 860583640), (4, 430291820), (5, 344233456), (7, 245881040), (8, 215145910), (10, 172116728), (14, 122940520), (16, 107572955), (20, 86058364), (23, 74833360), (28, 61470260), (35, 49176208), (40, 43029182), (46, 37416680), (56, 30735130), (70, 24588104), (80, 21514591), (92, 18708340), (112, 15367565), (115, 14966672), (140, 12294052), (161, 10690480), (184, 9354170), (230, 7483336), (280, 6147026), (322, 5345240), (368, 4677085), (460, 3741668), (560, 3073513), (644, 2672620), (805, 2138096), (920, 1870834), (1288, 1336310), (1610, 1069048), (1840, 935417), (2576, 668155), (3220, 534524), (6440, 267262), (12880, 133631)]