42289520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 160

約数和(自身を含む): 125075328

約数和(自身を除く): 82785808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 157, 182, 185, 208, 259, 260, 280, 296, 314, 364, 370, 455, 481, 518, 520, 560, 592, 628, 728, 740, 785, 910, 962, 1036, 1040, 1099, 1256, 1295, 1456, 1480, 1570, 1820, 1924, 2041, 2072, 2198, 2405, 2512, 2590, 2960, 3140, 3367, 3640, 3848, 4082, 4144, 4396, 4810, 5180, 5495, 5809, 6280, 6734, 7280, 7696, 8164, 8792, 9620, 10205, 10360, 10990, 11618, 12560, 13468, 14287, 16328, 16835, 17584, 19240, 20410, 20720, 21980, 23236, 26936, 28574, 29045, 32656, 33670, 38480, 40663, 40820, 43960, 46472, 53872, 57148, 58090, 67340, 71435, 75517, 81326, 81640, 87920, 92944, 114296, 116180, 134680, 142870, 151034, 162652, 163280, 203315, 228592, 232360, 269360, 285740, 302068, 325304, 377585, 406630, 464720, 528619, 571480, 604136, 650608, 755170, 813260, 1057238, 1142960, 1208272, 1510340, 1626520, 2114476, 2643095, 3020680, 3253040, 4228952, 5286190, 6041360, 8457904, 10572380, 21144760, 42289520]

約数ペア:

[(1, 42289520), (2, 21144760), (4, 10572380), (5, 8457904), (7, 6041360), (8, 5286190), (10, 4228952), (13, 3253040), (14, 3020680), (16, 2643095), (20, 2114476), (26, 1626520), (28, 1510340), (35, 1208272), (37, 1142960), (40, 1057238), (52, 813260), (56, 755170), (65, 650608), (70, 604136), (74, 571480), (80, 528619), (91, 464720), (104, 406630), (112, 377585), (130, 325304), (140, 302068), (148, 285740), (157, 269360), (182, 232360), (185, 228592), (208, 203315), (259, 163280), (260, 162652), (280, 151034), (296, 142870), (314, 134680), (364, 116180), (370, 114296), (455, 92944), (481, 87920), (518, 81640), (520, 81326), (560, 75517), (592, 71435), (628, 67340), (728, 58090), (740, 57148), (785, 53872), (910, 46472), (962, 43960), (1036, 40820), (1040, 40663), (1099, 38480), (1256, 33670), (1295, 32656), (1456, 29045), (1480, 28574), (1570, 26936), (1820, 23236), (1924, 21980), (2041, 20720), (2072, 20410), (2198, 19240), (2405, 17584), (2512, 16835), (2590, 16328), (2960, 14287), (3140, 13468), (3367, 12560), (3640, 11618), (3848, 10990), (4082, 10360), (4144, 10205), (4396, 9620), (4810, 8792), (5180, 8164), (5495, 7696), (5809, 7280), (6280, 6734)]