80745444

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 240688000

約数和(自身を除く): 159942556

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 102, 108, 117, 153, 156, 199, 204, 221, 234, 289, 306, 351, 398, 442, 459, 468, 578, 597, 612, 663, 702, 796, 867, 884, 918, 1156, 1194, 1326, 1404, 1734, 1791, 1836, 1989, 2388, 2587, 2601, 2652, 3383, 3468, 3582, 3757, 3978, 5174, 5202, 5373, 5967, 6766, 7164, 7514, 7761, 7803, 7956, 10149, 10348, 10404, 10746, 11271, 11934, 13532, 15028, 15522, 15606, 20298, 21492, 22542, 23283, 23868, 30447, 31044, 31212, 33813, 40596, 43979, 45084, 46566, 57511, 60894, 67626, 69849, 87958, 91341, 93132, 101439, 115022, 121788, 131937, 135252, 139698, 172533, 175916, 182682, 202878, 230044, 263874, 279396, 345066, 365364, 395811, 405756, 517599, 527748, 690132, 747643, 791622, 1035198, 1187433, 1495286, 1552797, 1583244, 2070396, 2242929, 2374866, 2990572, 3105594, 4485858, 4749732, 6211188, 6728787, 8971716, 13457574, 20186361, 26915148, 40372722, 80745444]

約数ペア:

[(1, 80745444), (2, 40372722), (3, 26915148), (4, 20186361), (6, 13457574), (9, 8971716), (12, 6728787), (13, 6211188), (17, 4749732), (18, 4485858), (26, 3105594), (27, 2990572), (34, 2374866), (36, 2242929), (39, 2070396), (51, 1583244), (52, 1552797), (54, 1495286), (68, 1187433), (78, 1035198), (102, 791622), (108, 747643), (117, 690132), (153, 527748), (156, 517599), (199, 405756), (204, 395811), (221, 365364), (234, 345066), (289, 279396), (306, 263874), (351, 230044), (398, 202878), (442, 182682), (459, 175916), (468, 172533), (578, 139698), (597, 135252), (612, 131937), (663, 121788), (702, 115022), (796, 101439), (867, 93132), (884, 91341), (918, 87958), (1156, 69849), (1194, 67626), (1326, 60894), (1404, 57511), (1734, 46566), (1791, 45084), (1836, 43979), (1989, 40596), (2388, 33813), (2587, 31212), (2601, 31044), (2652, 30447), (3383, 23868), (3468, 23283), (3582, 22542), (3757, 21492), (3978, 20298), (5174, 15606), (5202, 15522), (5373, 15028), (5967, 13532), (6766, 11934), (7164, 11271), (7514, 10746), (7761, 10404), (7803, 10348), (7956, 10149)]