725307520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8521}}^1$

素因数の和:8566

約数の個数: 128

約数和(自身を含む): 2086185600

約数和(自身を除く): 1360878080

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, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2432, 2660, 3040, 4256, 4480, 5320, 6080, 8512, 8521, 10640, 12160, 17024, 17042, 21280, 34084, 42560, 42605, 59647, 68168, 85120, 85210, 119294, 136336, 161899, 170420, 238588, 272672, 298235, 323798, 340840, 477176, 545344, 596470, 647596, 681680, 809495, 954352, 1090688, 1133293, 1192940, 1295192, 1363360, 1618990, 1908704, 2266586, 2385880, 2590384, 2726720, 3237980, 3817408, 4533172, 4771760, 5180768, 5453440, 5666465, 6475960, 7634816, 9066344, 9543520, 10361536, 11332930, 12951920, 18132688, 19087040, 20723072, 22665860, 25903840, 36265376, 38174080, 45331720, 51807680, 72530752, 90663440, 103615360, 145061504, 181326880, 362653760, 725307520]

約数ペア:

[(1, 725307520), (2, 362653760), (4, 181326880), (5, 145061504), (7, 103615360), (8, 90663440), (10, 72530752), (14, 51807680), (16, 45331720), (19, 38174080), (20, 36265376), (28, 25903840), (32, 22665860), (35, 20723072), (38, 19087040), (40, 18132688), (56, 12951920), (64, 11332930), (70, 10361536), (76, 9543520), (80, 9066344), (95, 7634816), (112, 6475960), (128, 5666465), (133, 5453440), (140, 5180768), (152, 4771760), (160, 4533172), (190, 3817408), (224, 3237980), (266, 2726720), (280, 2590384), (304, 2385880), (320, 2266586), (380, 1908704), (448, 1618990), (532, 1363360), (560, 1295192), (608, 1192940), (640, 1133293), (665, 1090688), (760, 954352), (896, 809495), (1064, 681680), (1120, 647596), (1216, 596470), (1330, 545344), (1520, 477176), (2128, 340840), (2240, 323798), (2432, 298235), (2660, 272672), (3040, 238588), (4256, 170420), (4480, 161899), (5320, 136336), (6080, 119294), (8512, 85210), (8521, 85120), (10640, 68168), (12160, 59647), (17024, 42605), (17042, 42560), (21280, 34084)]