19879560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 67392000

約数和(自身を除く): 47512440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 233, 237, 270, 316, 360, 395, 466, 474, 540, 632, 699, 711, 790, 932, 948, 1080, 1165, 1185, 1398, 1422, 1580, 1864, 1896, 2097, 2133, 2330, 2370, 2796, 2844, 3160, 3495, 3555, 4194, 4266, 4660, 4740, 5592, 5688, 6291, 6990, 7110, 8388, 8532, 9320, 9480, 10485, 10665, 12582, 13980, 14220, 16776, 17064, 18407, 20970, 21330, 25164, 27960, 28440, 31455, 36814, 41940, 42660, 50328, 55221, 62910, 73628, 83880, 85320, 92035, 110442, 125820, 147256, 165663, 184070, 220884, 251640, 276105, 331326, 368140, 441768, 496989, 552210, 662652, 736280, 828315, 993978, 1104420, 1325304, 1656630, 1987956, 2208840, 2484945, 3313260, 3975912, 4969890, 6626520, 9939780, 19879560]

約数ペア:

[(1, 19879560), (2, 9939780), (3, 6626520), (4, 4969890), (5, 3975912), (6, 3313260), (8, 2484945), (9, 2208840), (10, 1987956), (12, 1656630), (15, 1325304), (18, 1104420), (20, 993978), (24, 828315), (27, 736280), (30, 662652), (36, 552210), (40, 496989), (45, 441768), (54, 368140), (60, 331326), (72, 276105), (79, 251640), (90, 220884), (108, 184070), (120, 165663), (135, 147256), (158, 125820), (180, 110442), (216, 92035), (233, 85320), (237, 83880), (270, 73628), (316, 62910), (360, 55221), (395, 50328), (466, 42660), (474, 41940), (540, 36814), (632, 31455), (699, 28440), (711, 27960), (790, 25164), (932, 21330), (948, 20970), (1080, 18407), (1165, 17064), (1185, 16776), (1398, 14220), (1422, 13980), (1580, 12582), (1864, 10665), (1896, 10485), (2097, 9480), (2133, 9320), (2330, 8532), (2370, 8388), (2796, 7110), (2844, 6990), (3160, 6291), (3495, 5688), (3555, 5592), (4194, 4740), (4266, 4660)]