279958560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11903}}^1$

素因数の和:11935

約数の個数: 144

約数和(自身を含む): 1025934336

約数和(自身を除く): 745975776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 11903, 23520, 23806, 35709, 47612, 59515, 71418, 83321, 95224, 119030, 142836, 166642, 178545, 190448, 238060, 249963, 285672, 333284, 357090, 380896, 416605, 476120, 499926, 571344, 583247, 666568, 714180, 833210, 952240, 999852, 1142688, 1166494, 1249815, 1333136, 1428360, 1666420, 1749741, 1904480, 1999704, 2332988, 2499630, 2666272, 2856720, 2916235, 3332840, 3499482, 3999408, 4665976, 4999260, 5713440, 5832470, 6665680, 6998964, 7998816, 8748705, 9331952, 9998520, 11664940, 13331360, 13997928, 17497410, 18663904, 19997040, 23329880, 27995856, 34994820, 39994080, 46659760, 55991712, 69989640, 93319520, 139979280, 279958560]

約数ペア:

[(1, 279958560), (2, 139979280), (3, 93319520), (4, 69989640), (5, 55991712), (6, 46659760), (7, 39994080), (8, 34994820), (10, 27995856), (12, 23329880), (14, 19997040), (15, 18663904), (16, 17497410), (20, 13997928), (21, 13331360), (24, 11664940), (28, 9998520), (30, 9331952), (32, 8748705), (35, 7998816), (40, 6998964), (42, 6665680), (48, 5832470), (49, 5713440), (56, 4999260), (60, 4665976), (70, 3999408), (80, 3499482), (84, 3332840), (96, 2916235), (98, 2856720), (105, 2666272), (112, 2499630), (120, 2332988), (140, 1999704), (147, 1904480), (160, 1749741), (168, 1666420), (196, 1428360), (210, 1333136), (224, 1249815), (240, 1166494), (245, 1142688), (280, 999852), (294, 952240), (336, 833210), (392, 714180), (420, 666568), (480, 583247), (490, 571344), (560, 499926), (588, 476120), (672, 416605), (735, 380896), (784, 357090), (840, 333284), (980, 285672), (1120, 249963), (1176, 238060), (1470, 190448), (1568, 178545), (1680, 166642), (1960, 142836), (2352, 119030), (2940, 95224), (3360, 83321), (3920, 71418), (4704, 59515), (5880, 47612), (7840, 35709), (11760, 23806), (11903, 23520)]