198565920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19699}}^1$

素因数の和:19727

約数の個数: 144

約数和(自身を含む): 774446400

約数和(自身を除く): 575880480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 19699, 39398, 59097, 78796, 98495, 118194, 137893, 157592, 177291, 196990, 236388, 275786, 295485, 315184, 354582, 393980, 413679, 472776, 551572, 590970, 630368, 689465, 709164, 787960, 827358, 886455, 945552, 1103144, 1181940, 1241037, 1378930, 1418328, 1575920, 1654716, 1772910, 1891104, 2068395, 2206288, 2363880, 2482074, 2757860, 2836656, 3151840, 3309432, 3545820, 4136790, 4412576, 4727760, 4964148, 5515720, 5673312, 6205185, 6618864, 7091640, 8273580, 9455520, 9928296, 11031440, 12410370, 13237728, 14183280, 16547160, 19856592, 22062880, 24820740, 28366560, 33094320, 39713184, 49641480, 66188640, 99282960, 198565920]

約数ペア:

[(1, 198565920), (2, 99282960), (3, 66188640), (4, 49641480), (5, 39713184), (6, 33094320), (7, 28366560), (8, 24820740), (9, 22062880), (10, 19856592), (12, 16547160), (14, 14183280), (15, 13237728), (16, 12410370), (18, 11031440), (20, 9928296), (21, 9455520), (24, 8273580), (28, 7091640), (30, 6618864), (32, 6205185), (35, 5673312), (36, 5515720), (40, 4964148), (42, 4727760), (45, 4412576), (48, 4136790), (56, 3545820), (60, 3309432), (63, 3151840), (70, 2836656), (72, 2757860), (80, 2482074), (84, 2363880), (90, 2206288), (96, 2068395), (105, 1891104), (112, 1772910), (120, 1654716), (126, 1575920), (140, 1418328), (144, 1378930), (160, 1241037), (168, 1181940), (180, 1103144), (210, 945552), (224, 886455), (240, 827358), (252, 787960), (280, 709164), (288, 689465), (315, 630368), (336, 590970), (360, 551572), (420, 472776), (480, 413679), (504, 393980), (560, 354582), (630, 315184), (672, 295485), (720, 275786), (840, 236388), (1008, 196990), (1120, 177291), (1260, 157592), (1440, 137893), (1680, 118194), (2016, 98495), (2520, 78796), (3360, 59097), (5040, 39398), (10080, 19699)]