28618020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4297}}^1$

素因数の和:4349

約数の個数: 72

約数和(自身を含む): 89174904

約数和(自身を除く): 60556884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 4297, 6660, 8594, 12891, 17188, 21485, 25782, 38673, 42970, 51564, 64455, 77346, 85940, 128910, 154692, 158989, 193365, 257820, 317978, 386730, 476967, 635956, 773460, 794945, 953934, 1430901, 1589890, 1907868, 2384835, 2861802, 3179780, 4769670, 5723604, 7154505, 9539340, 14309010, 28618020]

約数ペア:

[(1, 28618020), (2, 14309010), (3, 9539340), (4, 7154505), (5, 5723604), (6, 4769670), (9, 3179780), (10, 2861802), (12, 2384835), (15, 1907868), (18, 1589890), (20, 1430901), (30, 953934), (36, 794945), (37, 773460), (45, 635956), (60, 476967), (74, 386730), (90, 317978), (111, 257820), (148, 193365), (180, 158989), (185, 154692), (222, 128910), (333, 85940), (370, 77346), (444, 64455), (555, 51564), (666, 42970), (740, 38673), (1110, 25782), (1332, 21485), (1665, 17188), (2220, 12891), (3330, 8594), (4297, 6660)]