81419128440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{157679}}^1$

素因数の和:158037

約数の個数: 128

約数和(自身を含む): 263842790400

約数和(自身を除く): 182423661960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 331, 390, 520, 662, 780, 993, 1324, 1560, 1655, 1986, 2648, 3310, 3972, 4303, 4965, 6620, 7944, 8606, 9930, 12909, 13240, 17212, 19860, 21515, 25818, 34424, 39720, 43030, 51636, 64545, 86060, 103272, 129090, 157679, 172120, 258180, 315358, 473037, 516360, 630716, 788395, 946074, 1261432, 1576790, 1892148, 2049827, 2365185, 3153580, 3784296, 4099654, 4730370, 6149481, 6307160, 8199308, 9460740, 10249135, 12298962, 16398616, 18921480, 20498270, 24597924, 30747405, 40996540, 49195848, 52191749, 61494810, 81993080, 104383498, 122989620, 156575247, 208766996, 245979240, 260958745, 313150494, 417533992, 521917490, 626300988, 678492737, 782876235, 1043834980, 1252601976, 1356985474, 1565752470, 2035478211, 2087669960, 2713970948, 3131504940, 3392463685, 4070956422, 5427941896, 6263009880, 6784927370, 8141912844, 10177391055, 13569854740, 16283825688, 20354782110, 27139709480, 40709564220, 81419128440]

約数ペア:

[(1, 81419128440), (2, 40709564220), (3, 27139709480), (4, 20354782110), (5, 16283825688), (6, 13569854740), (8, 10177391055), (10, 8141912844), (12, 6784927370), (13, 6263009880), (15, 5427941896), (20, 4070956422), (24, 3392463685), (26, 3131504940), (30, 2713970948), (39, 2087669960), (40, 2035478211), (52, 1565752470), (60, 1356985474), (65, 1252601976), (78, 1043834980), (104, 782876235), (120, 678492737), (130, 626300988), (156, 521917490), (195, 417533992), (260, 313150494), (312, 260958745), (331, 245979240), (390, 208766996), (520, 156575247), (662, 122989620), (780, 104383498), (993, 81993080), (1324, 61494810), (1560, 52191749), (1655, 49195848), (1986, 40996540), (2648, 30747405), (3310, 24597924), (3972, 20498270), (4303, 18921480), (4965, 16398616), (6620, 12298962), (7944, 10249135), (8606, 9460740), (9930, 8199308), (12909, 6307160), (13240, 6149481), (17212, 4730370), (19860, 4099654), (21515, 3784296), (25818, 3153580), (34424, 2365185), (39720, 2049827), (43030, 1892148), (51636, 1576790), (64545, 1261432), (86060, 946074), (103272, 788395), (129090, 630716), (157679, 516360), (172120, 473037), (258180, 315358)]