128160760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 358888320

約数和(自身を除く): 230727560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 137, 140, 182, 257, 260, 274, 280, 364, 455, 514, 520, 548, 685, 728, 910, 959, 1028, 1096, 1285, 1370, 1781, 1799, 1820, 1918, 2056, 2570, 2740, 3341, 3562, 3598, 3640, 3836, 4795, 5140, 5480, 6682, 7124, 7196, 7672, 8905, 8995, 9590, 10280, 12467, 13364, 14248, 14392, 16705, 17810, 17990, 19180, 23387, 24934, 26728, 33410, 35209, 35620, 35980, 38360, 46774, 49868, 62335, 66820, 70418, 71240, 71960, 93548, 99736, 116935, 124670, 133640, 140836, 176045, 187096, 233870, 246463, 249340, 281672, 352090, 457717, 467740, 492926, 498680, 704180, 915434, 935480, 985852, 1232315, 1408360, 1830868, 1971704, 2288585, 2464630, 3204019, 3661736, 4577170, 4929260, 6408038, 9154340, 9858520, 12816076, 16020095, 18308680, 25632152, 32040190, 64080380, 128160760]

約数ペア:

[(1, 128160760), (2, 64080380), (4, 32040190), (5, 25632152), (7, 18308680), (8, 16020095), (10, 12816076), (13, 9858520), (14, 9154340), (20, 6408038), (26, 4929260), (28, 4577170), (35, 3661736), (40, 3204019), (52, 2464630), (56, 2288585), (65, 1971704), (70, 1830868), (91, 1408360), (104, 1232315), (130, 985852), (137, 935480), (140, 915434), (182, 704180), (257, 498680), (260, 492926), (274, 467740), (280, 457717), (364, 352090), (455, 281672), (514, 249340), (520, 246463), (548, 233870), (685, 187096), (728, 176045), (910, 140836), (959, 133640), (1028, 124670), (1096, 116935), (1285, 99736), (1370, 93548), (1781, 71960), (1799, 71240), (1820, 70418), (1918, 66820), (2056, 62335), (2570, 49868), (2740, 46774), (3341, 38360), (3562, 35980), (3598, 35620), (3640, 35209), (3836, 33410), (4795, 26728), (5140, 24934), (5480, 23387), (6682, 19180), (7124, 17990), (7196, 17810), (7672, 16705), (8905, 14392), (8995, 14248), (9590, 13364), (10280, 12467)]