257612880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 320

約数和(自身を含む): 977080320

約数和(自身を除く): 719467440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 59, 60, 69, 70, 80, 84, 92, 105, 112, 113, 115, 118, 120, 138, 140, 161, 168, 177, 184, 210, 226, 230, 236, 240, 276, 280, 295, 322, 336, 339, 345, 354, 368, 413, 420, 452, 460, 472, 483, 552, 560, 565, 590, 644, 678, 690, 708, 791, 805, 826, 840, 885, 904, 920, 944, 966, 1104, 1130, 1180, 1239, 1288, 1356, 1357, 1380, 1416, 1582, 1610, 1652, 1680, 1695, 1770, 1808, 1840, 1932, 2065, 2260, 2360, 2373, 2415, 2478, 2576, 2599, 2712, 2714, 2760, 2832, 3164, 3220, 3304, 3390, 3540, 3864, 3955, 4071, 4130, 4520, 4720, 4746, 4830, 4956, 5198, 5424, 5428, 5520, 6195, 6328, 6440, 6608, 6667, 6780, 6785, 7080, 7728, 7797, 7910, 8142, 8260, 9040, 9492, 9499, 9660, 9912, 10396, 10856, 11865, 12390, 12656, 12880, 12995, 13334, 13560, 13570, 14160, 15594, 15820, 16284, 16520, 18193, 18984, 18998, 19320, 19824, 20001, 20355, 20792, 21712, 23730, 24780, 25990, 26668, 27120, 27140, 28497, 31188, 31640, 32568, 33040, 33335, 36386, 37968, 37996, 38640, 38985, 40002, 40710, 41584, 46669, 47460, 47495, 49560, 51980, 53336, 54280, 54579, 56994, 62376, 63280, 65136, 66670, 72772, 75992, 77970, 80004, 81420, 90965, 93338, 94920, 94990, 99120, 100005, 103960, 106672, 108560, 109158, 113988, 124752, 133340, 140007, 142485, 145544, 151984, 153341, 155940, 160008, 162840, 181930, 186676, 189840, 189980, 200010, 207920, 218316, 227976, 233345, 266680, 272895, 280014, 284970, 291088, 306682, 311880, 320016, 325680, 363860, 373352, 379960, 400020, 436632, 455952, 460023, 466690, 533360, 545790, 560028, 569940, 613364, 623760, 700035, 727720, 746704, 759920, 766705, 800040, 873264, 920046, 933380, 1073387, 1091580, 1120056, 1139880, 1226728, 1400070, 1455440, 1533410, 1600080, 1840092, 1866760, 2146774, 2183160, 2240112, 2279760, 2300115, 2453456, 2800140, 3066820, 3220161, 3680184, 3733520, 4293548, 4366320, 4600230, 5366935, 5600280, 6133640, 6440322, 7360368, 8587096, 9200460, 10733870, 11200560, 12267280, 12880644, 16100805, 17174192, 18400920, 21467740, 25761288, 32201610, 36801840, 42935480, 51522576, 64403220, 85870960, 128806440, 257612880]

約数ペア:

[(1, 257612880), (2, 128806440), (3, 85870960), (4, 64403220), (5, 51522576), (6, 42935480), (7, 36801840), (8, 32201610), (10, 25761288), (12, 21467740), (14, 18400920), (15, 17174192), (16, 16100805), (20, 12880644), (21, 12267280), (23, 11200560), (24, 10733870), (28, 9200460), (30, 8587096), (35, 7360368), (40, 6440322), (42, 6133640), (46, 5600280), (48, 5366935), (56, 4600230), (59, 4366320), (60, 4293548), (69, 3733520), (70, 3680184), (80, 3220161), (84, 3066820), (92, 2800140), (105, 2453456), (112, 2300115), (113, 2279760), (115, 2240112), (118, 2183160), (120, 2146774), (138, 1866760), (140, 1840092), (161, 1600080), (168, 1533410), (177, 1455440), (184, 1400070), (210, 1226728), (226, 1139880), (230, 1120056), (236, 1091580), (240, 1073387), (276, 933380), (280, 920046), (295, 873264), (322, 800040), (336, 766705), (339, 759920), (345, 746704), (354, 727720), (368, 700035), (413, 623760), (420, 613364), (452, 569940), (460, 560028), (472, 545790), (483, 533360), (552, 466690), (560, 460023), (565, 455952), (590, 436632), (644, 400020), (678, 379960), (690, 373352), (708, 363860), (791, 325680), (805, 320016), (826, 311880), (840, 306682), (885, 291088), (904, 284970), (920, 280014), (944, 272895), (966, 266680), (1104, 233345), (1130, 227976), (1180, 218316), (1239, 207920), (1288, 200010), (1356, 189980), (1357, 189840), (1380, 186676), (1416, 181930), (1582, 162840), (1610, 160008), (1652, 155940), (1680, 153341), (1695, 151984), (1770, 145544), (1808, 142485), (1840, 140007), (1932, 133340), (2065, 124752), (2260, 113988), (2360, 109158), (2373, 108560), (2415, 106672), (2478, 103960), (2576, 100005), (2599, 99120), (2712, 94990), (2714, 94920), (2760, 93338), (2832, 90965), (3164, 81420), (3220, 80004), (3304, 77970), (3390, 75992), (3540, 72772), (3864, 66670), (3955, 65136), (4071, 63280), (4130, 62376), (4520, 56994), (4720, 54579), (4746, 54280), (4830, 53336), (4956, 51980), (5198, 49560), (5424, 47495), (5428, 47460), (5520, 46669), (6195, 41584), (6328, 40710), (6440, 40002), (6608, 38985), (6667, 38640), (6780, 37996), (6785, 37968), (7080, 36386), (7728, 33335), (7797, 33040), (7910, 32568), (8142, 31640), (8260, 31188), (9040, 28497), (9492, 27140), (9499, 27120), (9660, 26668), (9912, 25990), (10396, 24780), (10856, 23730), (11865, 21712), (12390, 20792), (12656, 20355), (12880, 20001), (12995, 19824), (13334, 19320), (13560, 18998), (13570, 18984), (14160, 18193), (15594, 16520), (15820, 16284)]