254837520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:942

約数の個数: 240

約数和(自身を含む): 995829120

約数和(自身を除く): 740991600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 59, 60, 63, 70, 72, 80, 84, 90, 105, 112, 118, 120, 126, 140, 144, 168, 177, 180, 210, 236, 240, 252, 280, 295, 315, 336, 354, 360, 413, 420, 472, 504, 531, 560, 590, 630, 708, 720, 826, 840, 857, 885, 944, 1008, 1062, 1180, 1239, 1260, 1416, 1652, 1680, 1714, 1770, 2065, 2124, 2360, 2478, 2520, 2571, 2655, 2832, 3304, 3428, 3540, 3717, 4130, 4248, 4285, 4720, 4956, 5040, 5142, 5310, 5999, 6195, 6608, 6856, 7080, 7434, 7713, 8260, 8496, 8570, 9912, 10284, 10620, 11998, 12390, 12855, 13712, 14160, 14868, 15426, 16520, 17140, 17997, 18585, 19824, 20568, 21240, 23996, 24780, 25710, 29736, 29995, 30852, 33040, 34280, 35994, 37170, 38565, 41136, 42480, 47992, 49560, 50563, 51420, 53991, 59472, 59990, 61704, 68560, 71988, 74340, 77130, 89985, 95984, 99120, 101126, 102840, 107982, 119980, 123408, 143976, 148680, 151689, 154260, 179970, 202252, 205680, 215964, 239960, 252815, 269955, 287952, 297360, 303378, 308520, 353941, 359940, 404504, 431928, 455067, 479920, 505630, 539910, 606756, 617040, 707882, 719880, 758445, 809008, 863856, 910134, 1011260, 1061823, 1079820, 1213512, 1415764, 1439760, 1516890, 1769705, 1820268, 2022520, 2123646, 2159640, 2275335, 2427024, 2831528, 3033780, 3185469, 3539410, 3640536, 4045040, 4247292, 4319280, 4550670, 5309115, 5663056, 6067560, 6370938, 7078820, 7281072, 8494584, 9101340, 10618230, 12135120, 12741876, 14157640, 15927345, 16989168, 18202680, 21236460, 25483752, 28315280, 31854690, 36405360, 42472920, 50967504, 63709380, 84945840, 127418760, 254837520]

約数ペア:

[(1, 254837520), (2, 127418760), (3, 84945840), (4, 63709380), (5, 50967504), (6, 42472920), (7, 36405360), (8, 31854690), (9, 28315280), (10, 25483752), (12, 21236460), (14, 18202680), (15, 16989168), (16, 15927345), (18, 14157640), (20, 12741876), (21, 12135120), (24, 10618230), (28, 9101340), (30, 8494584), (35, 7281072), (36, 7078820), (40, 6370938), (42, 6067560), (45, 5663056), (48, 5309115), (56, 4550670), (59, 4319280), (60, 4247292), (63, 4045040), (70, 3640536), (72, 3539410), (80, 3185469), (84, 3033780), (90, 2831528), (105, 2427024), (112, 2275335), (118, 2159640), (120, 2123646), (126, 2022520), (140, 1820268), (144, 1769705), (168, 1516890), (177, 1439760), (180, 1415764), (210, 1213512), (236, 1079820), (240, 1061823), (252, 1011260), (280, 910134), (295, 863856), (315, 809008), (336, 758445), (354, 719880), (360, 707882), (413, 617040), (420, 606756), (472, 539910), (504, 505630), (531, 479920), (560, 455067), (590, 431928), (630, 404504), (708, 359940), (720, 353941), (826, 308520), (840, 303378), (857, 297360), (885, 287952), (944, 269955), (1008, 252815), (1062, 239960), (1180, 215964), (1239, 205680), (1260, 202252), (1416, 179970), (1652, 154260), (1680, 151689), (1714, 148680), (1770, 143976), (2065, 123408), (2124, 119980), (2360, 107982), (2478, 102840), (2520, 101126), (2571, 99120), (2655, 95984), (2832, 89985), (3304, 77130), (3428, 74340), (3540, 71988), (3717, 68560), (4130, 61704), (4248, 59990), (4285, 59472), (4720, 53991), (4956, 51420), (5040, 50563), (5142, 49560), (5310, 47992), (5999, 42480), (6195, 41136), (6608, 38565), (6856, 37170), (7080, 35994), (7434, 34280), (7713, 33040), (8260, 30852), (8496, 29995), (8570, 29736), (9912, 25710), (10284, 24780), (10620, 23996), (11998, 21240), (12390, 20568), (12855, 19824), (13712, 18585), (14160, 17997), (14868, 17140), (15426, 16520)]