725392640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4261}}^1$

素因数の和:4308

約数の個数: 144

約数和(自身を含む): 2090766720

約数和(自身を除く): 1365374080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1792, 2128, 2240, 2432, 2660, 3040, 4256, 4261, 4480, 4864, 5320, 6080, 8512, 8522, 8960, 10640, 12160, 17024, 17044, 21280, 21305, 24320, 29827, 34048, 34088, 42560, 42610, 59654, 68176, 80959, 85120, 85220, 119308, 136352, 149135, 161918, 170240, 170440, 238616, 272704, 298270, 323836, 340880, 404795, 477232, 545408, 566713, 596540, 647672, 681760, 809590, 954464, 1090816, 1133426, 1193080, 1295344, 1363520, 1619180, 1908928, 2266852, 2386160, 2590688, 2727040, 2833565, 3238360, 3817856, 4533704, 4772320, 5181376, 5454080, 5667130, 6476720, 7635712, 9067408, 9544640, 10362752, 11334260, 12953440, 18134816, 19089280, 20725504, 22668520, 25906880, 36269632, 38178560, 45337040, 51813760, 72539264, 90674080, 103627520, 145078528, 181348160, 362696320, 725392640]

約数ペア:

[(1, 725392640), (2, 362696320), (4, 181348160), (5, 145078528), (7, 103627520), (8, 90674080), (10, 72539264), (14, 51813760), (16, 45337040), (19, 38178560), (20, 36269632), (28, 25906880), (32, 22668520), (35, 20725504), (38, 19089280), (40, 18134816), (56, 12953440), (64, 11334260), (70, 10362752), (76, 9544640), (80, 9067408), (95, 7635712), (112, 6476720), (128, 5667130), (133, 5454080), (140, 5181376), (152, 4772320), (160, 4533704), (190, 3817856), (224, 3238360), (256, 2833565), (266, 2727040), (280, 2590688), (304, 2386160), (320, 2266852), (380, 1908928), (448, 1619180), (532, 1363520), (560, 1295344), (608, 1193080), (640, 1133426), (665, 1090816), (760, 954464), (896, 809590), (1064, 681760), (1120, 647672), (1216, 596540), (1280, 566713), (1330, 545408), (1520, 477232), (1792, 404795), (2128, 340880), (2240, 323836), (2432, 298270), (2660, 272704), (3040, 238616), (4256, 170440), (4261, 170240), (4480, 161918), (4864, 149135), (5320, 136352), (6080, 119308), (8512, 85220), (8522, 85120), (8960, 80959), (10640, 68176), (12160, 59654), (17024, 42610), (17044, 42560), (21280, 34088), (21305, 34048), (24320, 29827)]