208514280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1831}}^1$

素因数の和:1931

約数の個数: 128

約数和(自身を含む): 683262720

約数和(自身を除く): 474748440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 73, 78, 104, 120, 130, 146, 156, 195, 219, 260, 292, 312, 365, 390, 438, 520, 584, 730, 780, 876, 949, 1095, 1460, 1560, 1752, 1831, 1898, 2190, 2847, 2920, 3662, 3796, 4380, 4745, 5493, 5694, 7324, 7592, 8760, 9155, 9490, 10986, 11388, 14235, 14648, 18310, 18980, 21972, 22776, 23803, 27465, 28470, 36620, 37960, 43944, 47606, 54930, 56940, 71409, 73240, 95212, 109860, 113880, 119015, 133663, 142818, 190424, 219720, 238030, 267326, 285636, 357045, 400989, 476060, 534652, 571272, 668315, 714090, 801978, 952120, 1069304, 1336630, 1428180, 1603956, 1737619, 2004945, 2673260, 2856360, 3207912, 3475238, 4009890, 5212857, 5346520, 6950476, 8019780, 8688095, 10425714, 13900952, 16039560, 17376190, 20851428, 26064285, 34752380, 41702856, 52128570, 69504760, 104257140, 208514280]

約数ペア:

[(1, 208514280), (2, 104257140), (3, 69504760), (4, 52128570), (5, 41702856), (6, 34752380), (8, 26064285), (10, 20851428), (12, 17376190), (13, 16039560), (15, 13900952), (20, 10425714), (24, 8688095), (26, 8019780), (30, 6950476), (39, 5346520), (40, 5212857), (52, 4009890), (60, 3475238), (65, 3207912), (73, 2856360), (78, 2673260), (104, 2004945), (120, 1737619), (130, 1603956), (146, 1428180), (156, 1336630), (195, 1069304), (219, 952120), (260, 801978), (292, 714090), (312, 668315), (365, 571272), (390, 534652), (438, 476060), (520, 400989), (584, 357045), (730, 285636), (780, 267326), (876, 238030), (949, 219720), (1095, 190424), (1460, 142818), (1560, 133663), (1752, 119015), (1831, 113880), (1898, 109860), (2190, 95212), (2847, 73240), (2920, 71409), (3662, 56940), (3796, 54930), (4380, 47606), (4745, 43944), (5493, 37960), (5694, 36620), (7324, 28470), (7592, 27465), (8760, 23803), (9155, 22776), (9490, 21972), (10986, 18980), (11388, 18310), (14235, 14648)]