81439680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{12119}}^1$

素因数の和:12146

約数の個数: 112

約数和(自身を含む): 295534080

約数和(自身を除く): 214094400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 12119, 24238, 36357, 48476, 60595, 72714, 84833, 96952, 121190, 145428, 169666, 181785, 193904, 242380, 254499, 290856, 339332, 363570, 387808, 424165, 484760, 508998, 581712, 678664, 727140, 775616, 848330, 969520, 1017996, 1163424, 1272495, 1357328, 1454280, 1696660, 1939040, 2035992, 2326848, 2544990, 2714656, 2908560, 3393320, 3878080, 4071984, 5089980, 5429312, 5817120, 6786640, 8143968, 10179960, 11634240, 13573280, 16287936, 20359920, 27146560, 40719840, 81439680]

約数ペア:

[(1, 81439680), (2, 40719840), (3, 27146560), (4, 20359920), (5, 16287936), (6, 13573280), (7, 11634240), (8, 10179960), (10, 8143968), (12, 6786640), (14, 5817120), (15, 5429312), (16, 5089980), (20, 4071984), (21, 3878080), (24, 3393320), (28, 2908560), (30, 2714656), (32, 2544990), (35, 2326848), (40, 2035992), (42, 1939040), (48, 1696660), (56, 1454280), (60, 1357328), (64, 1272495), (70, 1163424), (80, 1017996), (84, 969520), (96, 848330), (105, 775616), (112, 727140), (120, 678664), (140, 581712), (160, 508998), (168, 484760), (192, 424165), (210, 387808), (224, 363570), (240, 339332), (280, 290856), (320, 254499), (336, 242380), (420, 193904), (448, 181785), (480, 169666), (560, 145428), (672, 121190), (840, 96952), (960, 84833), (1120, 72714), (1344, 60595), (1680, 48476), (2240, 36357), (3360, 24238), (6720, 12119)]