257363040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:725

約数の個数: 192

約数和(自身を含む): 897039360

約数和(自身を除く): 639676320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 79, 80, 88, 96, 110, 120, 132, 158, 160, 165, 176, 220, 237, 240, 264, 316, 330, 352, 395, 440, 474, 480, 528, 617, 632, 660, 790, 869, 880, 948, 1056, 1185, 1234, 1264, 1320, 1580, 1738, 1760, 1851, 1896, 2370, 2468, 2528, 2607, 2640, 3085, 3160, 3476, 3702, 3792, 4345, 4740, 4936, 5214, 5280, 6170, 6320, 6787, 6952, 7404, 7584, 8690, 9255, 9480, 9872, 10428, 12340, 12640, 13035, 13574, 13904, 14808, 17380, 18510, 18960, 19744, 20361, 20856, 24680, 26070, 27148, 27808, 29616, 33935, 34760, 37020, 37920, 40722, 41712, 48743, 49360, 52140, 54296, 59232, 67870, 69520, 74040, 81444, 83424, 97486, 98720, 101805, 104280, 108592, 135740, 139040, 146229, 148080, 162888, 194972, 203610, 208560, 217184, 243715, 271480, 292458, 296160, 325776, 389944, 407220, 417120, 487430, 536173, 542960, 584916, 651552, 731145, 779888, 814440, 974860, 1072346, 1085920, 1169832, 1462290, 1559776, 1608519, 1628880, 1949720, 2144692, 2339664, 2680865, 2924580, 3217038, 3257760, 3899440, 4289384, 4679328, 5361730, 5849160, 6434076, 7798880, 8042595, 8578768, 10723460, 11698320, 12868152, 16085190, 17157536, 21446920, 23396640, 25736304, 32170380, 42893840, 51472608, 64340760, 85787680, 128681520, 257363040]

約数ペア:

[(1, 257363040), (2, 128681520), (3, 85787680), (4, 64340760), (5, 51472608), (6, 42893840), (8, 32170380), (10, 25736304), (11, 23396640), (12, 21446920), (15, 17157536), (16, 16085190), (20, 12868152), (22, 11698320), (24, 10723460), (30, 8578768), (32, 8042595), (33, 7798880), (40, 6434076), (44, 5849160), (48, 5361730), (55, 4679328), (60, 4289384), (66, 3899440), (79, 3257760), (80, 3217038), (88, 2924580), (96, 2680865), (110, 2339664), (120, 2144692), (132, 1949720), (158, 1628880), (160, 1608519), (165, 1559776), (176, 1462290), (220, 1169832), (237, 1085920), (240, 1072346), (264, 974860), (316, 814440), (330, 779888), (352, 731145), (395, 651552), (440, 584916), (474, 542960), (480, 536173), (528, 487430), (617, 417120), (632, 407220), (660, 389944), (790, 325776), (869, 296160), (880, 292458), (948, 271480), (1056, 243715), (1185, 217184), (1234, 208560), (1264, 203610), (1320, 194972), (1580, 162888), (1738, 148080), (1760, 146229), (1851, 139040), (1896, 135740), (2370, 108592), (2468, 104280), (2528, 101805), (2607, 98720), (2640, 97486), (3085, 83424), (3160, 81444), (3476, 74040), (3702, 69520), (3792, 67870), (4345, 59232), (4740, 54296), (4936, 52140), (5214, 49360), (5280, 48743), (6170, 41712), (6320, 40722), (6787, 37920), (6952, 37020), (7404, 34760), (7584, 33935), (8690, 29616), (9255, 27808), (9480, 27148), (9872, 26070), (10428, 24680), (12340, 20856), (12640, 20361), (13035, 19744), (13574, 18960), (13904, 18510), (14808, 17380)]