25251240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1351

約数の個数: 128

約数和(自身を含む): 90408960

約数和(自身を除く): 65157720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1307, 1380, 1610, 1932, 2415, 2614, 2760, 3220, 3864, 3921, 4830, 5228, 6440, 6535, 7842, 9149, 9660, 10456, 13070, 15684, 18298, 19320, 19605, 26140, 27447, 30061, 31368, 36596, 39210, 45745, 52280, 54894, 60122, 73192, 78420, 90183, 91490, 109788, 120244, 137235, 150305, 156840, 180366, 182980, 210427, 219576, 240488, 274470, 300610, 360732, 365960, 420854, 450915, 548940, 601220, 631281, 721464, 841708, 901830, 1052135, 1097880, 1202440, 1262562, 1683416, 1803660, 2104270, 2525124, 3156405, 3607320, 4208540, 5050248, 6312810, 8417080, 12625620, 25251240]

約数ペア:

[(1, 25251240), (2, 12625620), (3, 8417080), (4, 6312810), (5, 5050248), (6, 4208540), (7, 3607320), (8, 3156405), (10, 2525124), (12, 2104270), (14, 1803660), (15, 1683416), (20, 1262562), (21, 1202440), (23, 1097880), (24, 1052135), (28, 901830), (30, 841708), (35, 721464), (40, 631281), (42, 601220), (46, 548940), (56, 450915), (60, 420854), (69, 365960), (70, 360732), (84, 300610), (92, 274470), (105, 240488), (115, 219576), (120, 210427), (138, 182980), (140, 180366), (161, 156840), (168, 150305), (184, 137235), (210, 120244), (230, 109788), (276, 91490), (280, 90183), (322, 78420), (345, 73192), (420, 60122), (460, 54894), (483, 52280), (552, 45745), (644, 39210), (690, 36596), (805, 31368), (840, 30061), (920, 27447), (966, 26140), (1288, 19605), (1307, 19320), (1380, 18298), (1610, 15684), (1932, 13070), (2415, 10456), (2614, 9660), (2760, 9149), (3220, 7842), (3864, 6535), (3921, 6440), (4830, 5228)]