20140680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23977}}^1$

素因数の和:23998

約数の個数: 64

約数和(自身を含む): 69056640

約数和(自身を除く): 48915960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23977, 47954, 71931, 95908, 119885, 143862, 167839, 191816, 239770, 287724, 335678, 359655, 479540, 503517, 575448, 671356, 719310, 839195, 959080, 1007034, 1342712, 1438620, 1678390, 2014068, 2517585, 2877240, 3356780, 4028136, 5035170, 6713560, 10070340, 20140680]

約数ペア:

[(1, 20140680), (2, 10070340), (3, 6713560), (4, 5035170), (5, 4028136), (6, 3356780), (7, 2877240), (8, 2517585), (10, 2014068), (12, 1678390), (14, 1438620), (15, 1342712), (20, 1007034), (21, 959080), (24, 839195), (28, 719310), (30, 671356), (35, 575448), (40, 503517), (42, 479540), (56, 359655), (60, 335678), (70, 287724), (84, 239770), (105, 191816), (120, 167839), (140, 143862), (168, 119885), (210, 95908), (280, 71931), (420, 47954), (840, 23977)]