80780040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20399}}^1$

素因数の和:20427

約数の個数: 96

約数和(自身を含む): 286416000

約数和(自身を除く): 205635960

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, 20399, 40798, 61197, 81596, 101995, 122394, 163192, 183591, 203990, 224389, 244788, 305985, 367182, 407980, 448778, 489576, 611970, 673167, 734364, 815960, 897556, 917955, 1121945, 1223940, 1346334, 1468728, 1795112, 1835910, 2019501, 2243890, 2447880, 2692668, 3365835, 3671820, 4039002, 4487780, 5385336, 6731670, 7343640, 8078004, 8975560, 10097505, 13463340, 16156008, 20195010, 26926680, 40390020, 80780040]

約数ペア:

[(1, 80780040), (2, 40390020), (3, 26926680), (4, 20195010), (5, 16156008), (6, 13463340), (8, 10097505), (9, 8975560), (10, 8078004), (11, 7343640), (12, 6731670), (15, 5385336), (18, 4487780), (20, 4039002), (22, 3671820), (24, 3365835), (30, 2692668), (33, 2447880), (36, 2243890), (40, 2019501), (44, 1835910), (45, 1795112), (55, 1468728), (60, 1346334), (66, 1223940), (72, 1121945), (88, 917955), (90, 897556), (99, 815960), (110, 734364), (120, 673167), (132, 611970), (165, 489576), (180, 448778), (198, 407980), (220, 367182), (264, 305985), (330, 244788), (360, 224389), (396, 203990), (440, 183591), (495, 163192), (660, 122394), (792, 101995), (990, 81596), (1320, 61197), (1980, 40798), (3960, 20399)]