290647560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18211}}^1$

素因数の和:18251

約数の個数: 128

約数和(自身を含む): 1049011200

約数和(自身を除く): 758363640

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, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 18211, 36422, 54633, 72844, 91055, 109266, 127477, 145688, 182110, 218532, 254954, 273165, 346009, 364220, 382431, 437064, 509908, 546330, 637385, 692018, 728440, 764862, 1019816, 1038027, 1092660, 1274770, 1384036, 1529724, 1730045, 1912155, 2076054, 2185320, 2422063, 2549540, 2768072, 3059448, 3460090, 3824310, 4152108, 4844126, 5099080, 5190135, 6920180, 7266189, 7648620, 8304216, 9688252, 10380270, 12110315, 13840360, 14532378, 15297240, 19376504, 20760540, 24220630, 29064756, 36330945, 41521080, 48441260, 58129512, 72661890, 96882520, 145323780, 290647560]

約数ペア:

[(1, 290647560), (2, 145323780), (3, 96882520), (4, 72661890), (5, 58129512), (6, 48441260), (7, 41521080), (8, 36330945), (10, 29064756), (12, 24220630), (14, 20760540), (15, 19376504), (19, 15297240), (20, 14532378), (21, 13840360), (24, 12110315), (28, 10380270), (30, 9688252), (35, 8304216), (38, 7648620), (40, 7266189), (42, 6920180), (56, 5190135), (57, 5099080), (60, 4844126), (70, 4152108), (76, 3824310), (84, 3460090), (95, 3059448), (105, 2768072), (114, 2549540), (120, 2422063), (133, 2185320), (140, 2076054), (152, 1912155), (168, 1730045), (190, 1529724), (210, 1384036), (228, 1274770), (266, 1092660), (280, 1038027), (285, 1019816), (380, 764862), (399, 728440), (420, 692018), (456, 637385), (532, 546330), (570, 509908), (665, 437064), (760, 382431), (798, 364220), (840, 346009), (1064, 273165), (1140, 254954), (1330, 218532), (1596, 182110), (1995, 145688), (2280, 127477), (2660, 109266), (3192, 91055), (3990, 72844), (5320, 54633), (7980, 36422), (15960, 18211)]