1923726640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{15727}}^1$

素因数の和:15890

約数の個数: 80

約数和(自身を含む): 4914685440

約数和(自身を除く): 2990958800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 440, 556, 695, 880, 1112, 1390, 1529, 2224, 2780, 3058, 5560, 6116, 7645, 11120, 12232, 15290, 15727, 24464, 30580, 31454, 61160, 62908, 78635, 122320, 125816, 157270, 172997, 251632, 314540, 345994, 629080, 691988, 864985, 1258160, 1383976, 1729970, 2186053, 2767952, 3459940, 4372106, 6919880, 8744212, 10930265, 13839760, 17488424, 21860530, 24046583, 34976848, 43721060, 48093166, 87442120, 96186332, 120232915, 174884240, 192372664, 240465830, 384745328, 480931660, 961863320, 1923726640]

約数ペア:

[(1, 1923726640), (2, 961863320), (4, 480931660), (5, 384745328), (8, 240465830), (10, 192372664), (11, 174884240), (16, 120232915), (20, 96186332), (22, 87442120), (40, 48093166), (44, 43721060), (55, 34976848), (80, 24046583), (88, 21860530), (110, 17488424), (139, 13839760), (176, 10930265), (220, 8744212), (278, 6919880), (440, 4372106), (556, 3459940), (695, 2767952), (880, 2186053), (1112, 1729970), (1390, 1383976), (1529, 1258160), (2224, 864985), (2780, 691988), (3058, 629080), (5560, 345994), (6116, 314540), (7645, 251632), (11120, 172997), (12232, 157270), (15290, 125816), (15727, 122320), (24464, 78635), (30580, 62908), (31454, 61160)]