20187138300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{14543}}^1$

素因数の和:15228

約数の個数: 144

約数和(自身を含む): 66857720832

約数和(自身を除く): 46670582532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 661, 700, 1050, 1322, 1983, 2100, 2644, 3305, 3966, 4627, 6610, 7932, 9254, 9915, 13220, 13881, 14543, 16525, 18508, 19830, 23135, 27762, 29086, 33050, 39660, 43629, 46270, 49575, 55524, 58172, 66100, 69405, 72715, 87258, 92540, 99150, 101801, 115675, 138810, 145430, 174516, 198300, 203602, 218145, 231350, 277620, 290860, 305403, 347025, 363575, 407204, 436290, 462700, 509005, 610806, 694050, 727150, 872580, 1018010, 1090725, 1221612, 1388100, 1454300, 1527015, 2036020, 2181450, 2545025, 3054030, 4362900, 5090050, 6108060, 7635075, 9612923, 10180100, 15270150, 19225846, 28838769, 30540300, 38451692, 48064615, 57677538, 67290461, 96129230, 115355076, 134580922, 144193845, 192258460, 201871383, 240323075, 269161844, 288387690, 336452305, 403742766, 480646150, 576775380, 672904610, 720969225, 807485532, 961292300, 1009356915, 1345809220, 1441938450, 1682261525, 2018713830, 2883876900, 3364523050, 4037427660, 5046784575, 6729046100, 10093569150, 20187138300]

約数ペア:

[(1, 20187138300), (2, 10093569150), (3, 6729046100), (4, 5046784575), (5, 4037427660), (6, 3364523050), (7, 2883876900), (10, 2018713830), (12, 1682261525), (14, 1441938450), (15, 1345809220), (20, 1009356915), (21, 961292300), (25, 807485532), (28, 720969225), (30, 672904610), (35, 576775380), (42, 480646150), (50, 403742766), (60, 336452305), (70, 288387690), (75, 269161844), (84, 240323075), (100, 201871383), (105, 192258460), (140, 144193845), (150, 134580922), (175, 115355076), (210, 96129230), (300, 67290461), (350, 57677538), (420, 48064615), (525, 38451692), (661, 30540300), (700, 28838769), (1050, 19225846), (1322, 15270150), (1983, 10180100), (2100, 9612923), (2644, 7635075), (3305, 6108060), (3966, 5090050), (4627, 4362900), (6610, 3054030), (7932, 2545025), (9254, 2181450), (9915, 2036020), (13220, 1527015), (13881, 1454300), (14543, 1388100), (16525, 1221612), (18508, 1090725), (19830, 1018010), (23135, 872580), (27762, 727150), (29086, 694050), (33050, 610806), (39660, 509005), (43629, 462700), (46270, 436290), (49575, 407204), (55524, 363575), (58172, 347025), (66100, 305403), (69405, 290860), (72715, 277620), (87258, 231350), (92540, 218145), (99150, 203602), (101801, 198300), (115675, 174516), (138810, 145430)]