66676660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 153990144

約数和(自身を除く): 87313484

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 43, 61, 62, 82, 86, 122, 124, 155, 164, 172, 205, 215, 244, 305, 310, 410, 430, 610, 620, 820, 860, 1220, 1271, 1333, 1763, 1891, 2501, 2542, 2623, 2666, 3526, 3782, 5002, 5084, 5246, 5332, 6355, 6665, 7052, 7564, 8815, 9455, 10004, 10492, 12505, 12710, 13115, 13330, 17630, 18910, 25010, 25420, 26230, 26660, 35260, 37820, 50020, 52460, 54653, 77531, 81313, 107543, 109306, 155062, 162626, 215086, 218612, 273265, 310124, 325252, 387655, 406565, 430172, 537715, 546530, 775310, 813130, 1075430, 1093060, 1550620, 1626260, 2150860, 3333833, 6667666, 13335332, 16669165, 33338330, 66676660]

約数ペア:

[(1, 66676660), (2, 33338330), (4, 16669165), (5, 13335332), (10, 6667666), (20, 3333833), (31, 2150860), (41, 1626260), (43, 1550620), (61, 1093060), (62, 1075430), (82, 813130), (86, 775310), (122, 546530), (124, 537715), (155, 430172), (164, 406565), (172, 387655), (205, 325252), (215, 310124), (244, 273265), (305, 218612), (310, 215086), (410, 162626), (430, 155062), (610, 109306), (620, 107543), (820, 81313), (860, 77531), (1220, 54653), (1271, 52460), (1333, 50020), (1763, 37820), (1891, 35260), (2501, 26660), (2542, 26230), (2623, 25420), (2666, 25010), (3526, 18910), (3782, 17630), (5002, 13330), (5084, 13115), (5246, 12710), (5332, 12505), (6355, 10492), (6665, 10004), (7052, 9455), (7564, 8815)]