16001440

素因数分解:

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

素因数の和:199

約数の個数: 144

約数和(自身を含む): 47659752

約数和(自身を除く): 31658312

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 157, 160, 182, 196, 208, 224, 245, 260, 280, 314, 364, 392, 416, 455, 490, 520, 560, 628, 637, 728, 784, 785, 910, 980, 1040, 1099, 1120, 1256, 1274, 1456, 1568, 1570, 1820, 1960, 2041, 2080, 2198, 2512, 2548, 2912, 3140, 3185, 3640, 3920, 4082, 4396, 5024, 5096, 5495, 6280, 6370, 7280, 7693, 7840, 8164, 8792, 10192, 10205, 10990, 12560, 12740, 14287, 14560, 15386, 16328, 17584, 20384, 20410, 21980, 25120, 25480, 28574, 30772, 32656, 35168, 38465, 40820, 43960, 50960, 57148, 61544, 65312, 71435, 76930, 81640, 87920, 100009, 101920, 114296, 123088, 142870, 153860, 163280, 175840, 200018, 228592, 246176, 285740, 307720, 326560, 400036, 457184, 500045, 571480, 615440, 800072, 1000090, 1142960, 1230880, 1600144, 2000180, 2285920, 3200288, 4000360, 8000720, 16001440]

約数ペア:

[(1, 16001440), (2, 8000720), (4, 4000360), (5, 3200288), (7, 2285920), (8, 2000180), (10, 1600144), (13, 1230880), (14, 1142960), (16, 1000090), (20, 800072), (26, 615440), (28, 571480), (32, 500045), (35, 457184), (40, 400036), (49, 326560), (52, 307720), (56, 285740), (65, 246176), (70, 228592), (80, 200018), (91, 175840), (98, 163280), (104, 153860), (112, 142870), (130, 123088), (140, 114296), (157, 101920), (160, 100009), (182, 87920), (196, 81640), (208, 76930), (224, 71435), (245, 65312), (260, 61544), (280, 57148), (314, 50960), (364, 43960), (392, 40820), (416, 38465), (455, 35168), (490, 32656), (520, 30772), (560, 28574), (628, 25480), (637, 25120), (728, 21980), (784, 20410), (785, 20384), (910, 17584), (980, 16328), (1040, 15386), (1099, 14560), (1120, 14287), (1256, 12740), (1274, 12560), (1456, 10990), (1568, 10205), (1570, 10192), (1820, 8792), (1960, 8164), (2041, 7840), (2080, 7693), (2198, 7280), (2512, 6370), (2548, 6280), (2912, 5495), (3140, 5096), (3185, 5024), (3640, 4396), (3920, 4082)]