18604239080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1\times {\mathrm{2467}}^1$

素因数の和:3679

約数の個数: 128

約数和(自身を含む): 49982330880

約数和(自身を除く): 31378091800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1171, 1288, 1610, 2342, 2467, 3220, 4684, 4934, 5855, 6440, 8197, 9368, 9868, 11710, 12335, 16394, 17269, 19736, 23420, 24670, 26933, 32788, 34538, 40985, 46840, 49340, 53866, 56741, 65576, 69076, 81970, 86345, 98680, 107732, 113482, 134665, 138152, 163940, 172690, 188531, 215464, 226964, 269330, 283705, 327880, 345380, 377062, 397187, 453928, 538660, 567410, 690760, 754124, 794374, 942655, 1077320, 1134820, 1508248, 1588748, 1885310, 1985935, 2269640, 2888857, 3177496, 3770620, 3971870, 5777714, 7541240, 7943740, 11555428, 14444285, 15887480, 20221999, 23110856, 28888570, 40443998, 57777140, 66443711, 80887996, 101109995, 115554280, 132887422, 161775992, 202219990, 265774844, 332218555, 404439980, 465105977, 531549688, 664437110, 808879960, 930211954, 1328874220, 1860423908, 2325529885, 2657748440, 3720847816, 4651059770, 9302119540, 18604239080]

約数ペア:

[(1, 18604239080), (2, 9302119540), (4, 4651059770), (5, 3720847816), (7, 2657748440), (8, 2325529885), (10, 1860423908), (14, 1328874220), (20, 930211954), (23, 808879960), (28, 664437110), (35, 531549688), (40, 465105977), (46, 404439980), (56, 332218555), (70, 265774844), (92, 202219990), (115, 161775992), (140, 132887422), (161, 115554280), (184, 101109995), (230, 80887996), (280, 66443711), (322, 57777140), (460, 40443998), (644, 28888570), (805, 23110856), (920, 20221999), (1171, 15887480), (1288, 14444285), (1610, 11555428), (2342, 7943740), (2467, 7541240), (3220, 5777714), (4684, 3971870), (4934, 3770620), (5855, 3177496), (6440, 2888857), (8197, 2269640), (9368, 1985935), (9868, 1885310), (11710, 1588748), (12335, 1508248), (16394, 1134820), (17269, 1077320), (19736, 942655), (23420, 794374), (24670, 754124), (26933, 690760), (32788, 567410), (34538, 538660), (40985, 453928), (46840, 397187), (49340, 377062), (53866, 345380), (56741, 327880), (65576, 283705), (69076, 269330), (81970, 226964), (86345, 215464), (98680, 188531), (107732, 172690), (113482, 163940), (134665, 138152)]