720647592

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{443}}^1$

素因数の和:903

約数の個数: 128

約数和(自身を含む): 2158479360

約数和(自身を除く): 1437831768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 421, 443, 483, 552, 644, 842, 886, 966, 1263, 1288, 1329, 1684, 1772, 1932, 2526, 2658, 2947, 3101, 3368, 3544, 3864, 5052, 5316, 5894, 6202, 8841, 9303, 9683, 10104, 10189, 10632, 11788, 12404, 17682, 18606, 19366, 20378, 23576, 24808, 29049, 30567, 35364, 37212, 38732, 40756, 58098, 61134, 67781, 70728, 71323, 74424, 77464, 81512, 116196, 122268, 135562, 142646, 186503, 203343, 213969, 232392, 244536, 271124, 285292, 373006, 406686, 427938, 542248, 559509, 570584, 746012, 813372, 855876, 1119018, 1305521, 1492024, 1626744, 1711752, 2238036, 2611042, 3916563, 4289569, 4476072, 5222084, 7833126, 8579138, 10444168, 12868707, 15666252, 17158276, 25737414, 30026983, 31332504, 34316552, 51474828, 60053966, 90080949, 102949656, 120107932, 180161898, 240215864, 360323796, 720647592]

約数ペア:

[(1, 720647592), (2, 360323796), (3, 240215864), (4, 180161898), (6, 120107932), (7, 102949656), (8, 90080949), (12, 60053966), (14, 51474828), (21, 34316552), (23, 31332504), (24, 30026983), (28, 25737414), (42, 17158276), (46, 15666252), (56, 12868707), (69, 10444168), (84, 8579138), (92, 7833126), (138, 5222084), (161, 4476072), (168, 4289569), (184, 3916563), (276, 2611042), (322, 2238036), (421, 1711752), (443, 1626744), (483, 1492024), (552, 1305521), (644, 1119018), (842, 855876), (886, 813372), (966, 746012), (1263, 570584), (1288, 559509), (1329, 542248), (1684, 427938), (1772, 406686), (1932, 373006), (2526, 285292), (2658, 271124), (2947, 244536), (3101, 232392), (3368, 213969), (3544, 203343), (3864, 186503), (5052, 142646), (5316, 135562), (5894, 122268), (6202, 116196), (8841, 81512), (9303, 77464), (9683, 74424), (10104, 71323), (10189, 70728), (10632, 67781), (11788, 61134), (12404, 58098), (17682, 40756), (18606, 38732), (19366, 37212), (20378, 35364), (23576, 30567), (24808, 29049)]