64005760

素因数分解:

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

素因数の和:203

約数の個数: 192

約数和(自身を含む): 192908520

約数和(自身を除く): 128902760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 157, 160, 182, 196, 208, 224, 245, 260, 280, 314, 320, 364, 392, 416, 448, 455, 490, 520, 560, 628, 637, 640, 728, 784, 785, 832, 896, 910, 980, 1040, 1099, 1120, 1256, 1274, 1456, 1568, 1570, 1664, 1820, 1960, 2041, 2080, 2198, 2240, 2512, 2548, 2912, 3136, 3140, 3185, 3640, 3920, 4082, 4160, 4396, 4480, 5024, 5096, 5495, 5824, 6272, 6280, 6370, 7280, 7693, 7840, 8164, 8320, 8792, 10048, 10192, 10205, 10990, 11648, 12560, 12740, 14287, 14560, 15386, 15680, 16328, 17584, 20096, 20384, 20410, 21980, 25120, 25480, 28574, 29120, 30772, 31360, 32656, 35168, 38465, 40768, 40820, 43960, 50240, 50960, 57148, 58240, 61544, 65312, 70336, 71435, 76930, 81536, 81640, 87920, 100009, 100480, 101920, 114296, 123088, 130624, 140672, 142870, 153860, 163280, 175840, 200018, 203840, 228592, 246176, 261248, 285740, 307720, 326560, 351680, 400036, 407680, 457184, 492352, 500045, 571480, 615440, 653120, 703360, 800072, 914368, 984704, 1000090, 1142960, 1230880, 1306240, 1600144, 1828736, 2000180, 2285920, 2461760, 3200288, 4000360, 4571840, 4923520, 6400576, 8000720, 9143680, 12801152, 16001440, 32002880, 64005760]

約数ペア:

[(1, 64005760), (2, 32002880), (4, 16001440), (5, 12801152), (7, 9143680), (8, 8000720), (10, 6400576), (13, 4923520), (14, 4571840), (16, 4000360), (20, 3200288), (26, 2461760), (28, 2285920), (32, 2000180), (35, 1828736), (40, 1600144), (49, 1306240), (52, 1230880), (56, 1142960), (64, 1000090), (65, 984704), (70, 914368), (80, 800072), (91, 703360), (98, 653120), (104, 615440), (112, 571480), (128, 500045), (130, 492352), (140, 457184), (157, 407680), (160, 400036), (182, 351680), (196, 326560), (208, 307720), (224, 285740), (245, 261248), (260, 246176), (280, 228592), (314, 203840), (320, 200018), (364, 175840), (392, 163280), (416, 153860), (448, 142870), (455, 140672), (490, 130624), (520, 123088), (560, 114296), (628, 101920), (637, 100480), (640, 100009), (728, 87920), (784, 81640), (785, 81536), (832, 76930), (896, 71435), (910, 70336), (980, 65312), (1040, 61544), (1099, 58240), (1120, 57148), (1256, 50960), (1274, 50240), (1456, 43960), (1568, 40820), (1570, 40768), (1664, 38465), (1820, 35168), (1960, 32656), (2041, 31360), (2080, 30772), (2198, 29120), (2240, 28574), (2512, 25480), (2548, 25120), (2912, 21980), (3136, 20410), (3140, 20384), (3185, 20096), (3640, 17584), (3920, 16328), (4082, 15680), (4160, 15386), (4396, 14560), (4480, 14287), (5024, 12740), (5096, 12560), (5495, 11648), (5824, 10990), (6272, 10205), (6280, 10192), (6370, 10048), (7280, 8792), (7693, 8320), (7840, 8164)]