15643980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7901}}^1$

素因数の和:7927

約数の個数: 72

約数和(自身を含む): 51773904

約数和(自身を除く): 36129924

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, 7901, 15802, 23703, 31604, 39505, 47406, 71109, 79010, 86911, 94812, 118515, 142218, 158020, 173822, 237030, 260733, 284436, 347644, 355545, 434555, 474060, 521466, 711090, 782199, 869110, 1042932, 1303665, 1422180, 1564398, 1738220, 2607330, 3128796, 3910995, 5214660, 7821990, 15643980]

約数ペア:

[(1, 15643980), (2, 7821990), (3, 5214660), (4, 3910995), (5, 3128796), (6, 2607330), (9, 1738220), (10, 1564398), (11, 1422180), (12, 1303665), (15, 1042932), (18, 869110), (20, 782199), (22, 711090), (30, 521466), (33, 474060), (36, 434555), (44, 355545), (45, 347644), (55, 284436), (60, 260733), (66, 237030), (90, 173822), (99, 158020), (110, 142218), (132, 118515), (165, 94812), (180, 86911), (198, 79010), (220, 71109), (330, 47406), (396, 39505), (495, 31604), (660, 23703), (990, 15802), (1980, 7901)]