31287960

素因数分解:

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

素因数の和:7929

約数の個数: 96

約数和(自身を含む): 110944080

約数和(自身を除く): 79656120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 7901, 15802, 23703, 31604, 39505, 47406, 63208, 71109, 79010, 86911, 94812, 118515, 142218, 158020, 173822, 189624, 237030, 260733, 284436, 316040, 347644, 355545, 434555, 474060, 521466, 568872, 695288, 711090, 782199, 869110, 948120, 1042932, 1303665, 1422180, 1564398, 1738220, 2085864, 2607330, 2844360, 3128796, 3476440, 3910995, 5214660, 6257592, 7821990, 10429320, 15643980, 31287960]

約数ペア:

[(1, 31287960), (2, 15643980), (3, 10429320), (4, 7821990), (5, 6257592), (6, 5214660), (8, 3910995), (9, 3476440), (10, 3128796), (11, 2844360), (12, 2607330), (15, 2085864), (18, 1738220), (20, 1564398), (22, 1422180), (24, 1303665), (30, 1042932), (33, 948120), (36, 869110), (40, 782199), (44, 711090), (45, 695288), (55, 568872), (60, 521466), (66, 474060), (72, 434555), (88, 355545), (90, 347644), (99, 316040), (110, 284436), (120, 260733), (132, 237030), (165, 189624), (180, 173822), (198, 158020), (220, 142218), (264, 118515), (330, 94812), (360, 86911), (396, 79010), (440, 71109), (495, 63208), (660, 47406), (792, 39505), (990, 31604), (1320, 23703), (1980, 15802), (3960, 7901)]