1620492016

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 180

約数和(自身を含む): 3897620328

約数和(自身を除く): 2277128312

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 67, 88, 104, 121, 124, 134, 143, 176, 208, 242, 248, 268, 286, 341, 403, 484, 496, 536, 572, 682, 737, 806, 871, 961, 968, 1072, 1144, 1364, 1474, 1573, 1612, 1742, 1922, 1936, 2077, 2288, 2728, 2948, 3146, 3224, 3484, 3751, 3844, 4154, 4433, 5456, 5896, 6292, 6448, 6968, 7502, 7688, 8107, 8308, 8866, 9581, 10571, 11792, 12493, 12584, 13936, 15004, 15376, 16214, 16616, 17732, 19162, 21142, 22847, 24986, 25168, 27001, 30008, 32428, 33232, 35464, 38324, 42284, 45694, 48763, 49972, 54002, 60016, 64387, 64856, 70928, 76648, 84568, 91388, 97526, 99944, 105391, 108004, 116281, 128774, 129712, 137423, 153296, 169136, 182776, 195052, 199888, 210782, 216008, 232562, 251317, 257548, 274846, 297011, 365552, 390104, 421564, 432016, 465124, 502634, 515096, 549692, 594022, 708257, 780208, 837031, 843128, 930248, 1005268, 1030192, 1099384, 1188044, 1416514, 1511653, 1674062, 1686256, 1860496, 2010536, 2198768, 2376088, 2833028, 3023306, 3267121, 3348124, 4021072, 4752176, 5666056, 6046612, 6534242, 6696248, 7790827, 9207341, 11332112, 12093224, 13068484, 13392496, 15581654, 18414682, 24186448, 26136968, 31163308, 36829364, 52273936, 62326616, 73658728, 101280751, 124653232, 147317456, 202561502, 405123004, 810246008, 1620492016]

約数ペア:

[(1, 1620492016), (2, 810246008), (4, 405123004), (8, 202561502), (11, 147317456), (13, 124653232), (16, 101280751), (22, 73658728), (26, 62326616), (31, 52273936), (44, 36829364), (52, 31163308), (62, 26136968), (67, 24186448), (88, 18414682), (104, 15581654), (121, 13392496), (124, 13068484), (134, 12093224), (143, 11332112), (176, 9207341), (208, 7790827), (242, 6696248), (248, 6534242), (268, 6046612), (286, 5666056), (341, 4752176), (403, 4021072), (484, 3348124), (496, 3267121), (536, 3023306), (572, 2833028), (682, 2376088), (737, 2198768), (806, 2010536), (871, 1860496), (961, 1686256), (968, 1674062), (1072, 1511653), (1144, 1416514), (1364, 1188044), (1474, 1099384), (1573, 1030192), (1612, 1005268), (1742, 930248), (1922, 843128), (1936, 837031), (2077, 780208), (2288, 708257), (2728, 594022), (2948, 549692), (3146, 515096), (3224, 502634), (3484, 465124), (3751, 432016), (3844, 421564), (4154, 390104), (4433, 365552), (5456, 297011), (5896, 274846), (6292, 257548), (6448, 251317), (6968, 232562), (7502, 216008), (7688, 210782), (8107, 199888), (8308, 195052), (8866, 182776), (9581, 169136), (10571, 153296), (11792, 137423), (12493, 129712), (12584, 128774), (13936, 116281), (15004, 108004), (15376, 105391), (16214, 99944), (16616, 97526), (17732, 91388), (19162, 84568), (21142, 76648), (22847, 70928), (24986, 64856), (25168, 64387), (27001, 60016), (30008, 54002), (32428, 49972), (33232, 48763), (35464, 45694), (38324, 42284)]