243728240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 685670400

約数和(自身を除く): 441942160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 127, 140, 149, 161, 184, 230, 254, 280, 298, 322, 368, 460, 508, 560, 596, 635, 644, 745, 805, 889, 920, 1016, 1043, 1192, 1270, 1288, 1490, 1610, 1778, 1840, 2032, 2086, 2384, 2540, 2576, 2921, 2980, 3220, 3427, 3556, 4172, 4445, 5080, 5215, 5842, 5960, 6440, 6854, 7112, 8344, 8890, 10160, 10430, 11684, 11920, 12880, 13708, 14224, 14605, 16688, 17135, 17780, 18923, 20447, 20860, 23368, 23989, 27416, 29210, 34270, 35560, 37846, 40894, 41720, 46736, 47978, 54832, 58420, 68540, 71120, 75692, 81788, 83440, 94615, 95956, 102235, 116840, 119945, 132461, 137080, 151384, 163576, 189230, 191912, 204470, 233680, 239890, 264922, 274160, 302768, 327152, 378460, 383824, 408940, 435229, 479780, 529844, 662305, 756920, 817880, 870458, 959560, 1059688, 1324610, 1513840, 1635760, 1740916, 1919120, 2119376, 2176145, 2649220, 3046603, 3481832, 4352290, 5298440, 6093206, 6963664, 8704580, 10596880, 12186412, 15233015, 17409160, 24372824, 30466030, 34818320, 48745648, 60932060, 121864120, 243728240]

約数ペア:

[(1, 243728240), (2, 121864120), (4, 60932060), (5, 48745648), (7, 34818320), (8, 30466030), (10, 24372824), (14, 17409160), (16, 15233015), (20, 12186412), (23, 10596880), (28, 8704580), (35, 6963664), (40, 6093206), (46, 5298440), (56, 4352290), (70, 3481832), (80, 3046603), (92, 2649220), (112, 2176145), (115, 2119376), (127, 1919120), (140, 1740916), (149, 1635760), (161, 1513840), (184, 1324610), (230, 1059688), (254, 959560), (280, 870458), (298, 817880), (322, 756920), (368, 662305), (460, 529844), (508, 479780), (560, 435229), (596, 408940), (635, 383824), (644, 378460), (745, 327152), (805, 302768), (889, 274160), (920, 264922), (1016, 239890), (1043, 233680), (1192, 204470), (1270, 191912), (1288, 189230), (1490, 163576), (1610, 151384), (1778, 137080), (1840, 132461), (2032, 119945), (2086, 116840), (2384, 102235), (2540, 95956), (2576, 94615), (2921, 83440), (2980, 81788), (3220, 75692), (3427, 71120), (3556, 68540), (4172, 58420), (4445, 54832), (5080, 47978), (5215, 46736), (5842, 41720), (5960, 40894), (6440, 37846), (6854, 35560), (7112, 34270), (8344, 29210), (8890, 27416), (10160, 23989), (10430, 23368), (11684, 20860), (11920, 20447), (12880, 18923), (13708, 17780), (14224, 17135), (14605, 16688)]