255747520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 224

約数和(自身を含む): 749076480

約数和(自身を除く): 493328960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 32, 35, 40, 56, 58, 62, 64, 70, 80, 112, 116, 124, 127, 140, 145, 155, 160, 203, 217, 224, 232, 248, 254, 280, 290, 310, 320, 406, 434, 448, 464, 496, 508, 560, 580, 620, 635, 812, 868, 889, 899, 928, 992, 1015, 1016, 1085, 1120, 1160, 1240, 1270, 1624, 1736, 1778, 1798, 1856, 1984, 2030, 2032, 2170, 2240, 2320, 2480, 2540, 3248, 3472, 3556, 3596, 3683, 3937, 4060, 4064, 4340, 4445, 4495, 4640, 4960, 5080, 6293, 6496, 6944, 7112, 7192, 7366, 7874, 8120, 8128, 8680, 8890, 8990, 9280, 9920, 10160, 12586, 12992, 13888, 14224, 14384, 14732, 15748, 16240, 17360, 17780, 17980, 18415, 19685, 20320, 25172, 25781, 27559, 28448, 28768, 29464, 31465, 31496, 32480, 34720, 35560, 35960, 36830, 39370, 40640, 50344, 51562, 55118, 56896, 57536, 58928, 62930, 62992, 64960, 69440, 71120, 71920, 73660, 78740, 100688, 103124, 110236, 114173, 117856, 125860, 125984, 128905, 137795, 142240, 143840, 147320, 157480, 201376, 206248, 220472, 228346, 235712, 251720, 251968, 257810, 275590, 284480, 287680, 294640, 314960, 402752, 412496, 440944, 456692, 503440, 515620, 551180, 570865, 589280, 629920, 799211, 824992, 881888, 913384, 1006880, 1031240, 1102360, 1141730, 1178560, 1259840, 1598422, 1649984, 1763776, 1826768, 2013760, 2062480, 2204720, 2283460, 3196844, 3653536, 3996055, 4124960, 4409440, 4566920, 6393688, 7307072, 7992110, 8249920, 8818880, 9133840, 12787376, 15984220, 18267680, 25574752, 31968440, 36535360, 51149504, 63936880, 127873760, 255747520]

約数ペア:

[(1, 255747520), (2, 127873760), (4, 63936880), (5, 51149504), (7, 36535360), (8, 31968440), (10, 25574752), (14, 18267680), (16, 15984220), (20, 12787376), (28, 9133840), (29, 8818880), (31, 8249920), (32, 7992110), (35, 7307072), (40, 6393688), (56, 4566920), (58, 4409440), (62, 4124960), (64, 3996055), (70, 3653536), (80, 3196844), (112, 2283460), (116, 2204720), (124, 2062480), (127, 2013760), (140, 1826768), (145, 1763776), (155, 1649984), (160, 1598422), (203, 1259840), (217, 1178560), (224, 1141730), (232, 1102360), (248, 1031240), (254, 1006880), (280, 913384), (290, 881888), (310, 824992), (320, 799211), (406, 629920), (434, 589280), (448, 570865), (464, 551180), (496, 515620), (508, 503440), (560, 456692), (580, 440944), (620, 412496), (635, 402752), (812, 314960), (868, 294640), (889, 287680), (899, 284480), (928, 275590), (992, 257810), (1015, 251968), (1016, 251720), (1085, 235712), (1120, 228346), (1160, 220472), (1240, 206248), (1270, 201376), (1624, 157480), (1736, 147320), (1778, 143840), (1798, 142240), (1856, 137795), (1984, 128905), (2030, 125984), (2032, 125860), (2170, 117856), (2240, 114173), (2320, 110236), (2480, 103124), (2540, 100688), (3248, 78740), (3472, 73660), (3556, 71920), (3596, 71120), (3683, 69440), (3937, 64960), (4060, 62992), (4064, 62930), (4340, 58928), (4445, 57536), (4495, 56896), (4640, 55118), (4960, 51562), (5080, 50344), (6293, 40640), (6496, 39370), (6944, 36830), (7112, 35960), (7192, 35560), (7366, 34720), (7874, 32480), (8120, 31496), (8128, 31465), (8680, 29464), (8890, 28768), (8990, 28448), (9280, 27559), (9920, 25781), (10160, 25172), (12586, 20320), (12992, 19685), (13888, 18415), (14224, 17980), (14384, 17780), (14732, 17360), (15748, 16240)]