28743960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1841

約数の個数: 128

約数和(自身を含む): 103795200

約数和(自身を除く): 75051240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1801, 1995, 2280, 2660, 3192, 3602, 3990, 5320, 5403, 7204, 7980, 9005, 10806, 12607, 14408, 15960, 18010, 21612, 25214, 27015, 34219, 36020, 37821, 43224, 50428, 54030, 63035, 68438, 72040, 75642, 100856, 102657, 108060, 126070, 136876, 151284, 171095, 189105, 205314, 216120, 239533, 252140, 273752, 302568, 342190, 378210, 410628, 479066, 504280, 513285, 684380, 718599, 756420, 821256, 958132, 1026570, 1197665, 1368760, 1437198, 1512840, 1916264, 2053140, 2395330, 2874396, 3592995, 4106280, 4790660, 5748792, 7185990, 9581320, 14371980, 28743960]

約数ペア:

[(1, 28743960), (2, 14371980), (3, 9581320), (4, 7185990), (5, 5748792), (6, 4790660), (7, 4106280), (8, 3592995), (10, 2874396), (12, 2395330), (14, 2053140), (15, 1916264), (19, 1512840), (20, 1437198), (21, 1368760), (24, 1197665), (28, 1026570), (30, 958132), (35, 821256), (38, 756420), (40, 718599), (42, 684380), (56, 513285), (57, 504280), (60, 479066), (70, 410628), (76, 378210), (84, 342190), (95, 302568), (105, 273752), (114, 252140), (120, 239533), (133, 216120), (140, 205314), (152, 189105), (168, 171095), (190, 151284), (210, 136876), (228, 126070), (266, 108060), (280, 102657), (285, 100856), (380, 75642), (399, 72040), (420, 68438), (456, 63035), (532, 54030), (570, 50428), (665, 43224), (760, 37821), (798, 36020), (840, 34219), (1064, 27015), (1140, 25214), (1330, 21612), (1596, 18010), (1801, 15960), (1995, 14408), (2280, 12607), (2660, 10806), (3192, 9005), (3602, 7980), (3990, 7204), (5320, 5403)]