128806440

素因数分解:

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

素因数の和:216

約数の個数: 256

約数和(自身を含む): 472780800

約数和(自身を除く): 343974360

約数列:

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

約数ペア:

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