30889980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15601}}^1$

素因数の和:15627

約数の個数: 72

約数和(自身を含む): 102224304

約数和(自身を除く): 71334324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15601, 31202, 46803, 62404, 78005, 93606, 140409, 156010, 171611, 187212, 234015, 280818, 312020, 343222, 468030, 514833, 561636, 686444, 702045, 858055, 936060, 1029666, 1404090, 1544499, 1716110, 2059332, 2574165, 2808180, 3088998, 3432220, 5148330, 6177996, 7722495, 10296660, 15444990, 30889980]

約数ペア:

[(1, 30889980), (2, 15444990), (3, 10296660), (4, 7722495), (5, 6177996), (6, 5148330), (9, 3432220), (10, 3088998), (11, 2808180), (12, 2574165), (15, 2059332), (18, 1716110), (20, 1544499), (22, 1404090), (30, 1029666), (33, 936060), (36, 858055), (44, 702045), (45, 686444), (55, 561636), (60, 514833), (66, 468030), (90, 343222), (99, 312020), (110, 280818), (132, 234015), (165, 187212), (180, 171611), (198, 156010), (220, 140409), (330, 93606), (396, 78005), (495, 62404), (660, 46803), (990, 31202), (1980, 15601)]