201916620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3389}}^1$

素因数の和:3735

約数の個数: 72

約数和(自身を含む): 614512080

約数和(自身を除く): 412595460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3389, 3972, 4965, 5958, 6620, 6778, 9930, 10167, 11916, 13556, 14895, 16945, 19860, 20334, 29790, 30501, 33890, 40668, 50835, 59580, 61002, 67780, 101670, 122004, 152505, 203340, 305010, 610020, 1121759, 2243518, 3365277, 4487036, 5608795, 6730554, 10095831, 11217590, 13461108, 16826385, 20191662, 22435180, 33652770, 40383324, 50479155, 67305540, 100958310, 201916620]

約数ペア:

[(1, 201916620), (2, 100958310), (3, 67305540), (4, 50479155), (5, 40383324), (6, 33652770), (9, 22435180), (10, 20191662), (12, 16826385), (15, 13461108), (18, 11217590), (20, 10095831), (30, 6730554), (36, 5608795), (45, 4487036), (60, 3365277), (90, 2243518), (180, 1121759), (331, 610020), (662, 305010), (993, 203340), (1324, 152505), (1655, 122004), (1986, 101670), (2979, 67780), (3310, 61002), (3389, 59580), (3972, 50835), (4965, 40668), (5958, 33890), (6620, 30501), (6778, 29790), (9930, 20334), (10167, 19860), (11916, 16945), (13556, 14895)]