781386372

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1451

約数の個数: 144

約数和(自身を含む): 2266037760

約数和(自身を除く): 1484651388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 93, 108, 117, 124, 156, 169, 186, 234, 279, 338, 351, 372, 403, 468, 507, 558, 676, 702, 806, 837, 1014, 1116, 1209, 1381, 1404, 1521, 1612, 1674, 2028, 2418, 2762, 3042, 3348, 3627, 4143, 4563, 4836, 5239, 5524, 6084, 7254, 8286, 9126, 10478, 10881, 12429, 14508, 15717, 16572, 17953, 18252, 20956, 21762, 24858, 31434, 35906, 37287, 42811, 43524, 47151, 49716, 53859, 62868, 71812, 74574, 85622, 94302, 107718, 128433, 141453, 149148, 161577, 171244, 188604, 215436, 233389, 256866, 282906, 323154, 385299, 466778, 484731, 513732, 556543, 565812, 646308, 700167, 770598, 933556, 969462, 1113086, 1155897, 1400334, 1541196, 1669629, 1938924, 2100501, 2226172, 2311794, 2800668, 3339258, 4201002, 4623588, 5008887, 6301503, 6678516, 7235059, 8402004, 10017774, 12603006, 14470118, 15026661, 20035548, 21705177, 25206012, 28940236, 30053322, 43410354, 60106644, 65115531, 86820708, 130231062, 195346593, 260462124, 390693186, 781386372]

約数ペア:

[(1, 781386372), (2, 390693186), (3, 260462124), (4, 195346593), (6, 130231062), (9, 86820708), (12, 65115531), (13, 60106644), (18, 43410354), (26, 30053322), (27, 28940236), (31, 25206012), (36, 21705177), (39, 20035548), (52, 15026661), (54, 14470118), (62, 12603006), (78, 10017774), (93, 8402004), (108, 7235059), (117, 6678516), (124, 6301503), (156, 5008887), (169, 4623588), (186, 4201002), (234, 3339258), (279, 2800668), (338, 2311794), (351, 2226172), (372, 2100501), (403, 1938924), (468, 1669629), (507, 1541196), (558, 1400334), (676, 1155897), (702, 1113086), (806, 969462), (837, 933556), (1014, 770598), (1116, 700167), (1209, 646308), (1381, 565812), (1404, 556543), (1521, 513732), (1612, 484731), (1674, 466778), (2028, 385299), (2418, 323154), (2762, 282906), (3042, 256866), (3348, 233389), (3627, 215436), (4143, 188604), (4563, 171244), (4836, 161577), (5239, 149148), (5524, 141453), (6084, 128433), (7254, 107718), (8286, 94302), (9126, 85622), (10478, 74574), (10881, 71812), (12429, 62868), (14508, 53859), (15717, 49716), (16572, 47151), (17953, 43524), (18252, 42811), (20956, 37287), (21762, 35906), (24858, 31434)]