157215520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1823}}^1$

素因数の和:1863

約数の個数: 144

約数和(自身を含む): 471598848

約数和(自身を除く): 314383328

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1823, 1960, 2156, 2464, 2695, 3080, 3646, 3920, 4312, 5390, 6160, 7292, 7840, 8624, 9115, 10780, 12320, 12761, 14584, 17248, 18230, 20053, 21560, 25522, 29168, 36460, 40106, 43120, 51044, 58336, 63805, 72920, 80212, 86240, 89327, 100265, 102088, 127610, 140371, 145840, 160424, 178654, 200530, 204176, 255220, 280742, 291680, 320848, 357308, 401060, 408352, 446635, 510440, 561484, 641696, 701855, 714616, 802120, 893270, 982597, 1020880, 1122968, 1403710, 1429232, 1604240, 1786540, 1965194, 2041760, 2245936, 2807420, 2858464, 3208480, 3573080, 3930388, 4491872, 4912985, 5614840, 7146160, 7860776, 9825970, 11229680, 14292320, 15721552, 19651940, 22459360, 31443104, 39303880, 78607760, 157215520]

約数ペア:

[(1, 157215520), (2, 78607760), (4, 39303880), (5, 31443104), (7, 22459360), (8, 19651940), (10, 15721552), (11, 14292320), (14, 11229680), (16, 9825970), (20, 7860776), (22, 7146160), (28, 5614840), (32, 4912985), (35, 4491872), (40, 3930388), (44, 3573080), (49, 3208480), (55, 2858464), (56, 2807420), (70, 2245936), (77, 2041760), (80, 1965194), (88, 1786540), (98, 1604240), (110, 1429232), (112, 1403710), (140, 1122968), (154, 1020880), (160, 982597), (176, 893270), (196, 802120), (220, 714616), (224, 701855), (245, 641696), (280, 561484), (308, 510440), (352, 446635), (385, 408352), (392, 401060), (440, 357308), (490, 320848), (539, 291680), (560, 280742), (616, 255220), (770, 204176), (784, 200530), (880, 178654), (980, 160424), (1078, 145840), (1120, 140371), (1232, 127610), (1540, 102088), (1568, 100265), (1760, 89327), (1823, 86240), (1960, 80212), (2156, 72920), (2464, 63805), (2695, 58336), (3080, 51044), (3646, 43120), (3920, 40106), (4312, 36460), (5390, 29168), (6160, 25522), (7292, 21560), (7840, 20053), (8624, 18230), (9115, 17248), (10780, 14584), (12320, 12761)]