991159920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9239}}^1$

素因数の和:9407

約数の個数: 120

約数和(自身を含む): 3351348000

約数和(自身を除く): 2360188080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 149, 180, 240, 298, 360, 447, 596, 720, 745, 894, 1192, 1341, 1490, 1788, 2235, 2384, 2682, 2980, 3576, 4470, 5364, 5960, 6705, 7152, 8940, 9239, 10728, 11920, 13410, 17880, 18478, 21456, 26820, 27717, 35760, 36956, 46195, 53640, 55434, 73912, 83151, 92390, 107280, 110868, 138585, 147824, 166302, 184780, 221736, 277170, 332604, 369560, 415755, 443472, 554340, 665208, 739120, 831510, 1108680, 1330416, 1376611, 1663020, 2217360, 2753222, 3326040, 4129833, 5506444, 6652080, 6883055, 8259666, 11012888, 12389499, 13766110, 16519332, 20649165, 22025776, 24778998, 27532220, 33038664, 41298330, 49557996, 55064440, 61947495, 66077328, 82596660, 99115992, 110128880, 123894990, 165193320, 198231984, 247789980, 330386640, 495579960, 991159920]

約数ペア:

[(1, 991159920), (2, 495579960), (3, 330386640), (4, 247789980), (5, 198231984), (6, 165193320), (8, 123894990), (9, 110128880), (10, 99115992), (12, 82596660), (15, 66077328), (16, 61947495), (18, 55064440), (20, 49557996), (24, 41298330), (30, 33038664), (36, 27532220), (40, 24778998), (45, 22025776), (48, 20649165), (60, 16519332), (72, 13766110), (80, 12389499), (90, 11012888), (120, 8259666), (144, 6883055), (149, 6652080), (180, 5506444), (240, 4129833), (298, 3326040), (360, 2753222), (447, 2217360), (596, 1663020), (720, 1376611), (745, 1330416), (894, 1108680), (1192, 831510), (1341, 739120), (1490, 665208), (1788, 554340), (2235, 443472), (2384, 415755), (2682, 369560), (2980, 332604), (3576, 277170), (4470, 221736), (5364, 184780), (5960, 166302), (6705, 147824), (7152, 138585), (8940, 110868), (9239, 107280), (10728, 92390), (11920, 83151), (13410, 73912), (17880, 55434), (18478, 53640), (21456, 46195), (26820, 36956), (27717, 35760)]