18988560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 160

約数和(自身を含む): 66960000

約数和(自身を除く): 47971440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 59, 60, 72, 80, 90, 108, 118, 120, 135, 144, 149, 177, 180, 216, 236, 240, 270, 295, 298, 354, 360, 432, 447, 472, 531, 540, 590, 596, 708, 720, 745, 885, 894, 944, 1062, 1080, 1180, 1192, 1341, 1416, 1490, 1593, 1770, 1788, 2124, 2160, 2235, 2360, 2384, 2655, 2682, 2832, 2980, 3186, 3540, 3576, 4023, 4248, 4470, 4720, 5310, 5364, 5960, 6372, 6705, 7080, 7152, 7965, 8046, 8496, 8791, 8940, 10620, 10728, 11920, 12744, 13410, 14160, 15930, 16092, 17582, 17880, 20115, 21240, 21456, 25488, 26373, 26820, 31860, 32184, 35164, 35760, 40230, 42480, 43955, 52746, 53640, 63720, 64368, 70328, 79119, 80460, 87910, 105492, 107280, 127440, 131865, 140656, 158238, 160920, 175820, 210984, 237357, 263730, 316476, 321840, 351640, 395595, 421968, 474714, 527460, 632952, 703280, 791190, 949428, 1054920, 1186785, 1265904, 1582380, 1898856, 2109840, 2373570, 3164760, 3797712, 4747140, 6329520, 9494280, 18988560]

約数ペア:

[(1, 18988560), (2, 9494280), (3, 6329520), (4, 4747140), (5, 3797712), (6, 3164760), (8, 2373570), (9, 2109840), (10, 1898856), (12, 1582380), (15, 1265904), (16, 1186785), (18, 1054920), (20, 949428), (24, 791190), (27, 703280), (30, 632952), (36, 527460), (40, 474714), (45, 421968), (48, 395595), (54, 351640), (59, 321840), (60, 316476), (72, 263730), (80, 237357), (90, 210984), (108, 175820), (118, 160920), (120, 158238), (135, 140656), (144, 131865), (149, 127440), (177, 107280), (180, 105492), (216, 87910), (236, 80460), (240, 79119), (270, 70328), (295, 64368), (298, 63720), (354, 53640), (360, 52746), (432, 43955), (447, 42480), (472, 40230), (531, 35760), (540, 35164), (590, 32184), (596, 31860), (708, 26820), (720, 26373), (745, 25488), (885, 21456), (894, 21240), (944, 20115), (1062, 17880), (1080, 17582), (1180, 16092), (1192, 15930), (1341, 14160), (1416, 13410), (1490, 12744), (1593, 11920), (1770, 10728), (1788, 10620), (2124, 8940), (2160, 8791), (2235, 8496), (2360, 8046), (2384, 7965), (2655, 7152), (2682, 7080), (2832, 6705), (2980, 6372), (3186, 5960), (3540, 5364), (3576, 5310), (4023, 4720), (4248, 4470)]