18404003840

素因数分解:

$2^{12}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:580

約数の個数: 208

約数和(自身を含む): 46708358400

約数和(自身を除く): 28304354560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 178, 184, 230, 256, 320, 356, 368, 439, 445, 460, 512, 640, 712, 736, 878, 890, 920, 1024, 1280, 1424, 1472, 1756, 1780, 1840, 2047, 2048, 2195, 2560, 2848, 2944, 3512, 3560, 3680, 4094, 4096, 4390, 5120, 5696, 5888, 7024, 7120, 7360, 8188, 8780, 10097, 10235, 10240, 11392, 11776, 14048, 14240, 14720, 16376, 17560, 20194, 20470, 20480, 22784, 23552, 28096, 28480, 29440, 32752, 35120, 39071, 40388, 40940, 45568, 47104, 50485, 56192, 56960, 58880, 65504, 70240, 78142, 80776, 81880, 91136, 94208, 100970, 112384, 113920, 117760, 131008, 140480, 156284, 161552, 163760, 182272, 195355, 201940, 224768, 227840, 235520, 262016, 280960, 312568, 323104, 327520, 364544, 390710, 403880, 449536, 455680, 471040, 524032, 561920, 625136, 646208, 655040, 781420, 807760, 898633, 899072, 911360, 1048064, 1123840, 1250272, 1292416, 1310080, 1562840, 1615520, 1797266, 1798144, 1822720, 2096128, 2247680, 2500544, 2584832, 2620160, 3125680, 3231040, 3594532, 4192256, 4493165, 4495360, 5001088, 5169664, 5240320, 6251360, 6462080, 7189064, 8384512, 8986330, 8990720, 10002176, 10339328, 10480640, 12502720, 12924160, 14378128, 17972660, 20004352, 20678656, 20961280, 25005440, 25848320, 28756256, 35945320, 40008704, 41357312, 41922560, 50010880, 51696640, 57512512, 71890640, 80017408, 100021760, 103393280, 115025024, 143781280, 160034816, 200043520, 206786560, 230050048, 287562560, 400087040, 460100096, 575125120, 800174080, 920200192, 1150250240, 1840400384, 2300500480, 3680800768, 4601000960, 9202001920, 18404003840]

約数ペア:

[(1, 18404003840), (2, 9202001920), (4, 4601000960), (5, 3680800768), (8, 2300500480), (10, 1840400384), (16, 1150250240), (20, 920200192), (23, 800174080), (32, 575125120), (40, 460100096), (46, 400087040), (64, 287562560), (80, 230050048), (89, 206786560), (92, 200043520), (115, 160034816), (128, 143781280), (160, 115025024), (178, 103393280), (184, 100021760), (230, 80017408), (256, 71890640), (320, 57512512), (356, 51696640), (368, 50010880), (439, 41922560), (445, 41357312), (460, 40008704), (512, 35945320), (640, 28756256), (712, 25848320), (736, 25005440), (878, 20961280), (890, 20678656), (920, 20004352), (1024, 17972660), (1280, 14378128), (1424, 12924160), (1472, 12502720), (1756, 10480640), (1780, 10339328), (1840, 10002176), (2047, 8990720), (2048, 8986330), (2195, 8384512), (2560, 7189064), (2848, 6462080), (2944, 6251360), (3512, 5240320), (3560, 5169664), (3680, 5001088), (4094, 4495360), (4096, 4493165), (4390, 4192256), (5120, 3594532), (5696, 3231040), (5888, 3125680), (7024, 2620160), (7120, 2584832), (7360, 2500544), (8188, 2247680), (8780, 2096128), (10097, 1822720), (10235, 1798144), (10240, 1797266), (11392, 1615520), (11776, 1562840), (14048, 1310080), (14240, 1292416), (14720, 1250272), (16376, 1123840), (17560, 1048064), (20194, 911360), (20470, 899072), (20480, 898633), (22784, 807760), (23552, 781420), (28096, 655040), (28480, 646208), (29440, 625136), (32752, 561920), (35120, 524032), (39071, 471040), (40388, 455680), (40940, 449536), (45568, 403880), (47104, 390710), (50485, 364544), (56192, 327520), (56960, 323104), (58880, 312568), (65504, 280960), (70240, 262016), (78142, 235520), (80776, 227840), (81880, 224768), (91136, 201940), (94208, 195355), (100970, 182272), (112384, 163760), (113920, 161552), (117760, 156284), (131008, 140480)]